diff --git a/templates/dashboards/apache.json.j2 b/templates/dashboards/apache.json.j2
index 87b333f..7c9757e 100644
--- a/templates/dashboards/apache.json.j2
+++ b/templates/dashboards/apache.json.j2
@@ -323,7 +323,7 @@
           "format": "time_series",
           "hide": false,
           "intervalFactor": 2,
-          "legendFormat": "\{\{instance\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }}",
           "range": true,
           "refId": "B",
           "step": 240
@@ -428,7 +428,7 @@
           "expr": "rate(apache_accesses_total{instance=~\"$host\"}[$__rate_interval])",
           "format": "time_series",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ instance \}\}",
+          "legendFormat": "{{ '{{' }} instance {{ '}}' }}",
           "range": true,
           "refId": "A",
           "step": 240
@@ -531,7 +531,7 @@
           "expr": "sum(apache_scoreboard{instance=~\"$host\"}) by (state)",
           "format": "time_series",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ state \}\}",
+          "legendFormat": "{{ '{{' }} state {{ '}}' }}",
           "range": true,
           "refId": "A",
           "step": 240
@@ -634,7 +634,7 @@
           "expr": "sum(apache_workers{instance=~\"$host\"}) by (state)\n",
           "format": "time_series",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ state \}\}",
+          "legendFormat": "{{ '{{' }} state {{ '}}' }}",
           "range": true,
           "refId": "A",
           "step": 240
@@ -738,7 +738,7 @@
           "expr": "apache_cpuload{instance=~\"$host\"}",
           "format": "time_series",
           "intervalFactor": 2,
-          "legendFormat": "Load on \{\{ instance \}\}",
+          "legendFormat": "Load on {{ '{{' }} instance {{ '}}' }}",
           "range": true,
           "refId": "A",
           "step": 240
diff --git a/templates/dashboards/haproxy.json.j2 b/templates/dashboards/haproxy.json.j2
index 587bf2f..d1f25f5 100644
--- a/templates/dashboards/haproxy.json.j2
+++ b/templates/dashboards/haproxy.json.j2
@@ -154,7 +154,7 @@
           "expr": "sum by(instance)(rate(haproxy_frontend_http_responses_total{proxy=~\"$frontend\",code=~\"$code\",instance=~\"$host\"}[$__rate_interval]))",
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "\{\{ instance \}\}",
+          "legendFormat": "\{\{ instance {{ '{{' }}",
           "metric": "",
           "range": true,
           "refId": "A",
@@ -259,7 +259,7 @@
           "expr": "sum(rate(haproxy_frontend_http_responses_total{proxy=~\"$frontend\",code=~\"$code\",instance=~\"$host\"}[$__rate_interval])) by (code)",
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "Front \{\{ code \}\}",
+          "legendFormat": "Front \{\{ code {{ '{{' }}",
           "metric": "",
           "range": true,
           "refId": "A",
@@ -364,7 +364,7 @@
           "expr": "sum(rate(haproxy_backend_http_responses_total{proxy=~\"$backend\",code=~\"$code\",instance=~\"$host\"}[$__rate_interval])) by (code)",
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "Back \{\{ code \}\}",
+          "legendFormat": "Back \{\{ code {{ '{{' }}",
           "metric": "",
           "range": true,
           "refId": "B",
@@ -1385,7 +1385,7 @@
               "expr": "sum(rate(haproxy_frontend_connections_total{proxy=~\"$frontend\",instance=~\"$host\"}[$__rate_interval])*8) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "{\{\{ proxy \}\}",
+              "legendFormat": "{\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -1505,7 +1505,7 @@
               "expr": "sum(rate(haproxy_backend_connection_attempts_total{proxy=~\"$backend\",instance=~\"$host\"}[$__rate_interval])*8) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backend_",
               "range": true,
               "refId": "A",
@@ -1625,7 +1625,7 @@
               "expr": "sum(rate(haproxy_frontend_connections_total{proxy=~\"$frontend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Successful \{\{ proxy \}\}",
+              "legendFormat": "Successful \{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backe",
               "range": true,
               "refId": "B",
@@ -1640,7 +1640,7 @@
               "expr": "sum(rate(haproxy_frontend_denied_connections_total{proxy=~\"$frontend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Denied \{\{ proxy \}\}",
+              "legendFormat": "Denied \{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backe",
               "range": true,
               "refId": "A",
@@ -1761,7 +1761,7 @@
               "hide": false,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Attempts \{\{ proxy \}\}",
+              "legendFormat": "Attempts \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -1776,7 +1776,7 @@
               "expr": "sum(rate(haproxy_backend_connection_errors_total{proxy=~\"$backend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 2,
-              "legendFormat": "Error \{\{ proxy \}\}",
+              "legendFormat": "Error \{\{ proxy {{ '{{' }}",
               "range": true,
               "refId": "A",
               "step": 240
@@ -1883,7 +1883,7 @@
               "expr": "sum(haproxy_frontend_connections_rate_max{proxy=~\"$frontend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Max \{\{ proxy \}\}",
+              "legendFormat": "Max \{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backe",
               "range": true,
               "refId": "B",
@@ -1990,7 +1990,7 @@
               "expr": "sum(rate(haproxy_backend_connection_reuses_total{proxy=~\"$backend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 2,
-              "legendFormat": "Reuses \{\{ proxy \}\}",
+              "legendFormat": "Reuses \{\{ proxy {{ '{{' }}",
               "range": true,
               "refId": "C",
               "step": 240
@@ -2122,7 +2122,7 @@
               "expr": "sum(haproxy_backend_current_queue{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Queued \{\{ proxy \}\}",
+              "legendFormat": "Queued \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -2228,7 +2228,7 @@
               "expr": "sum(haproxy_backend_max_queue{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Max \{\{ proxy \}\}",
+              "legendFormat": "Max \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -2385,7 +2385,7 @@
               "expr": "sum(rate(haproxy_frontend_http_requests_total{proxy=~\"$frontend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Total \{\{ proxy \}\}",
+              "legendFormat": "Total \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -2400,7 +2400,7 @@
               "expr": "sum(rate(haproxy_frontend_request_errors_total{proxy=~\"$frontend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 2,
-              "legendFormat": "Error \{\{ proxy \}\}",
+              "legendFormat": "Error \{\{ proxy {{ '{{' }}",
               "range": true,
               "refId": "B",
               "step": 240
@@ -2414,7 +2414,7 @@
               "expr": "sum(rate(haproxy_frontend_requests_denied_total{proxy=~\"$frontend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 2,
-              "legendFormat": "Denied \{\{ proxy \}\}",
+              "legendFormat": "Denied \{\{ proxy {{ '{{' }}",
               "range": true,
               "refId": "C",
               "step": 240
@@ -2518,7 +2518,7 @@
               "expr": "sum(rate(haproxy_backend_responses_denied_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Denied \{\{ proxy \}\}",
+              "legendFormat": "Denied \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -2636,7 +2636,7 @@
               "expr": "sum(rate(haproxy_frontend_responses_denied_total{proxy=~\"$frontend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Denied \{\{ proxy \}\}",
+              "legendFormat": "Denied \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -2768,7 +2768,7 @@
               "expr": "sum(haproxy_backend_connect_time_average_seconds{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy) != 0",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backend_current_queue",
               "range": true,
               "refId": "B",
@@ -2872,7 +2872,7 @@
               "expr": "sum(haproxy_backend_max_connect_time_seconds{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy) != 0",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backend_current_queue",
               "range": true,
               "refId": "B",
@@ -2978,7 +2978,7 @@
               "expr": "haproxy_backend_response_time_average_seconds{proxy=~\"$backend\",instance=~\"$host\"} != 0",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backend_current_queue",
               "range": true,
               "refId": "C",
@@ -3083,7 +3083,7 @@
               "expr": "sum(haproxy_backend_max_response_time_seconds{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy) != 0",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "haproxy_backend_current_queue",
               "range": true,
               "refId": "C",
@@ -3229,7 +3229,7 @@
               "hide": false,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Total \{\{ proxy \}\}",
+              "legendFormat": "Total \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -3245,7 +3245,7 @@
               "hide": false,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Denied \{\{ proxy \}\}",
+              "legendFormat": "Denied \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -3261,7 +3261,7 @@
               "hide": true,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Current active \{\{ proxy \}\}",
+              "legendFormat": "Current active \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "C",
@@ -3367,7 +3367,7 @@
               "hide": false,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Total \{\{ proxy \}\}",
+              "legendFormat": "Total \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -3383,7 +3383,7 @@
               "hide": true,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Current active \{\{ proxy \}\}",
+              "legendFormat": "Current active \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -3503,7 +3503,7 @@
               "hide": false,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Max \{\{ proxy \}\}",
+              "legendFormat": "Max \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -3518,7 +3518,7 @@
               "expr": "sum(haproxy_backend_limit_sessions{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 2,
-              "legendFormat": "Limit \{\{ proxy \}\}",
+              "legendFormat": "Limit \{\{ proxy {{ '{{' }}",
               "range": true,
               "refId": "B",
               "step": 240
@@ -3637,7 +3637,7 @@
               "hide": false,
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Max \{\{ proxy \}\}",
+              "legendFormat": "Max \{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -3652,7 +3652,7 @@
               "expr": "sum(haproxy_frontend_limit_sessions{proxy=~\"$frontend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 2,
-              "legendFormat": "Limit \{\{ proxy \}\}",
+              "legendFormat": "Limit \{\{ proxy {{ '{{' }}",
               "range": true,
               "refId": "B",
               "step": 240
@@ -3784,7 +3784,7 @@
               "expr": "sum(rate(haproxy_backend_check_up_down_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -3890,7 +3890,7 @@
               "expr": "sum(haproxy_backend_weight{proxy=~\"$backend\", instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4036,7 +4036,7 @@
               "expr": "sum(rate(haproxy_frontend_http_cache_lookups_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Lookups \{\{ proxy \}\} ",
+              "legendFormat": "Lookups \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4051,7 +4051,7 @@
               "expr": "sum(rate(haproxy_frontend_http_cache_hits_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Hits \{\{ proxy \}\} ",
+              "legendFormat": "Hits \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -4170,7 +4170,7 @@
               "expr": "sum(rate(haproxy_backend_http_cache_lookups_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Lookups \{\{ proxy \}\} ",
+              "legendFormat": "Lookups \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4185,7 +4185,7 @@
               "expr": "sum(rate(haproxy_backend_http_cache_hits_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Hits \{\{ proxy \}\} ",
+              "legendFormat": "Hits \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -4316,7 +4316,7 @@
               "expr": "sum(rate(haproxy_frontend_http_comp_bytes_in_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Bytes fed \{\{ proxy \}\} ",
+              "legendFormat": "Bytes fed \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4331,7 +4331,7 @@
               "expr": "sum(rate(haproxy_frontend_http_comp_bytes_out_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Bytes emitted \{\{ proxy \}\} ",
+              "legendFormat": "Bytes emitted \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -4346,7 +4346,7 @@
               "expr": "sum(rate(haproxy_frontend_http_comp_bytes_bypassed_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Bytes bypassed  \{\{ proxy \}\} ",
+              "legendFormat": "Bytes bypassed  \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "C",
@@ -4477,7 +4477,7 @@
               "expr": "sum(rate(haproxy_backend_http_comp_bytes_in_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Bytes fed \{\{ proxy \}\} ",
+              "legendFormat": "Bytes fed \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4492,7 +4492,7 @@
               "expr": "sum(rate(haproxy_backend_http_comp_bytes_out_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Bytes emitted \{\{ proxy \}\} ",
+              "legendFormat": "Bytes emitted \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "B",
@@ -4507,7 +4507,7 @@
               "expr": "sum(rate(haproxy_backend_http_comp_bytes_bypassed_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "Bytes bypassed  \{\{ proxy \}\} ",
+              "legendFormat": "Bytes bypassed  \{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "C",
@@ -4613,7 +4613,7 @@
               "expr": "sum(rate(haproxy_frontend_http_comp_responses_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\} ",
+              "legendFormat": "\{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4719,7 +4719,7 @@
               "expr": "sum(rate(haproxy_backend_http_comp_responses_total{proxy=~\"$backend\", instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\} ",
+              "legendFormat": "\{\{ proxy {{ '{{' }} ",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4851,7 +4851,7 @@
               "expr": "sum(haproxy_frontend_status{proxy=~\"$frontend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -4956,7 +4956,7 @@
               "expr": "sum(haproxy_backend_status{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -5061,7 +5061,7 @@
               "expr": "sum(rate(haproxy_frontend_internal_errors_total{proxy=~\"$backend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -5166,7 +5166,7 @@
               "expr": "sum(rate(haproxy_backend_internal_errors_total{proxy=~\"$backend\",instance=~\"$host\"}[$__rate_interval])) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -5270,7 +5270,7 @@
               "expr": "sum(haproxy_backend_active_servers{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy)",
               "interval": "$interval",
               "intervalFactor": 1,
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "metric": "",
               "range": true,
               "refId": "A",
@@ -5373,7 +5373,7 @@
               "editorMode": "code",
               "expr": "sum(haproxy_backend_backup_servers{proxy=~\"$backend\",instance=~\"$host\"}) by (proxy)",
               "interval": "",
-              "legendFormat": "\{\{ proxy \}\}",
+              "legendFormat": "\{\{ proxy {{ '{{' }}",
               "range": true,
               "refId": "B"
             }
diff --git a/templates/dashboards/mysqld.json.j2 b/templates/dashboards/mysqld.json.j2
index 97958b3..8f58618 100644
--- a/templates/dashboards/mysqld.json.j2
+++ b/templates/dashboards/mysqld.json.j2
@@ -135,7 +135,7 @@
           "format": "time_series",
           "interval": "5m",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }}",
           "metric": "",
           "range": true,
           "refId": "A",
@@ -225,7 +225,7 @@
           "format": "time_series",
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }}",
           "metric": "",
           "range": true,
           "refId": "A",
@@ -314,7 +314,7 @@
           "format": "time_series",
           "interval": "5m",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }}",
           "metric": "",
           "range": true,
           "refId": "A",
@@ -403,7 +403,7 @@
           "format": "time_series",
           "interval": "5m",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }}",
           "metric": "",
           "range": true,
           "refId": "A",
@@ -2478,7 +2478,7 @@
         "uid": ""
       },
       "decimals": 2,
-      "description": "**Top Command Counters**\n\nThe Com_\{\{xxx\}\} statement counter variables indicate the number of times each xxx statement has been executed. There is one status variable for each type of statement. For example, Com_delete and Com_update count [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements, respectively. Com_delete_multi and Com_update_multi are similar but apply to [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements that use multiple-table syntax.",
+      "description": "**Top Command Counters**\n\nThe Com_{{ '{{' }}xxx{{ '}}' }} statement counter variables indicate the number of times each xxx statement has been executed. There is one status variable for each type of statement. For example, Com_delete and Com_update count [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements, respectively. Com_delete_multi and Com_update_multi are similar but apply to [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements that use multiple-table syntax.",
       "editable": true,
       "error": false,
       "fill": 2,
@@ -2542,7 +2542,7 @@
           "hide": false,
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "Com_\{\{ command \}\}",
+          "legendFormat": "Com_{{ '{{' }} command {{ '}}' }}",
           "metric": "",
           "refId": "B",
           "step": 20
@@ -2591,7 +2591,7 @@
         "uid": ""
       },
       "decimals": 2,
-      "description": "**Top Command Counters Hourly**\n\nThe Com_\{\{xxx\}\} statement counter variables indicate the number of times each xxx statement has been executed. There is one status variable for each type of statement. For example, Com_delete and Com_update count [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements, respectively. Com_delete_multi and Com_update_multi are similar but apply to [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements that use multiple-table syntax.",
+      "description": "**Top Command Counters Hourly**\n\nThe Com_{{ '{{' }}xxx{{ '}}' }} statement counter variables indicate the number of times each xxx statement has been executed. There is one status variable for each type of statement. For example, Com_delete and Com_update count [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements, respectively. Com_delete_multi and Com_update_multi are similar but apply to [``DELETE``](https://dev.mysql.com/doc/refman/5.7/en/delete.html) and [``UPDATE``](https://dev.mysql.com/doc/refman/5.7/en/update.html) statements that use multiple-table syntax.",
       "editable": true,
       "error": false,
       "fill": 6,
@@ -2652,7 +2652,7 @@
           "format": "time_series",
           "interval": "1h",
           "intervalFactor": 1,
-          "legendFormat": "Com_\{\{ command \}\}",
+          "legendFormat": "Com_{{ '{{' }} command {{ '}}' }}",
           "metric": "",
           "refId": "A",
           "step": 3600
@@ -2759,7 +2759,7 @@
           "format": "time_series",
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "\{\{ handler \}\}",
+          "legendFormat": "{{ '{{' }} handler {{ '}}' }}",
           "metric": "",
           "refId": "J",
           "step": 20
@@ -2863,7 +2863,7 @@
           "expr": "rate(mysql_global_status_handlers_total{instance=~\"$host\", handler=~\"commit|rollback|savepoint.*|prepare\"}[$interval]) or irate(mysql_global_status_handlers_total{instance=~\"$host\", handler=~\"commit|rollback|savepoint.*|prepare\"}[5m])",
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "\{\{ handler \}\}",
+          "legendFormat": "{{ '{{' }} handler {{ '}}' }}",
           "metric": "",
           "refId": "A",
           "step": 20
@@ -2967,7 +2967,7 @@
           "expr": "mysql_info_schema_threads{instance=~\"$host\"}",
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "\{\{ state \}\}",
+          "legendFormat": "{{ '{{' }} state {{ '}}' }}",
           "metric": "",
           "refId": "A",
           "step": 20
@@ -3071,7 +3071,7 @@
           "expr": "topk(5, avg_over_time(mysql_info_schema_threads{instance=~\"$host\"}[1h]))",
           "interval": "1h",
           "intervalFactor": 1,
-          "legendFormat": "\{\{ state \}\}",
+          "legendFormat": "{{ '{{' }} state {{ '}}' }}",
           "metric": "",
           "refId": "A",
           "step": 3600
@@ -4557,7 +4557,7 @@
           "hide": false,
           "interval": "$interval",
           "intervalFactor": 1,
-          "legendFormat": "\{\{ mode \}\}",
+          "legendFormat": "{{ '{{' }} mode {{ '}}' }}",
           "metric": "",
           "refId": "A",
           "step": 20
diff --git a/templates/dashboards/network.json.j2 b/templates/dashboards/network.json.j2
index 8c360f3..80483f8 100644
--- a/templates/dashboards/network.json.j2
+++ b/templates/dashboards/network.json.j2
@@ -493,7 +493,7 @@
           "expr": "increase(node_network_receive_bytes_total{instance=~\"$node\",device=~\"$device\"}[60m])",
           "interval": "60m",
           "intervalFactor": 1,
-          "legendFormat": "\{\{device\}\}_receive",
+          "legendFormat": "{{ '{{' }}device{{ '}}' }}_receive",
           "metric": "",
           "refId": "A",
           "step": 600,
@@ -508,7 +508,7 @@
           "hide": false,
           "interval": "60m",
           "intervalFactor": 1,
-          "legendFormat": "\{\{device\}\}_transmit",
+          "legendFormat": "{{ '{{' }}device{{ '}}' }}_transmit",
           "refId": "B",
           "step": 600
         }
@@ -632,7 +632,7 @@
           "instant": false,
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{device\}\}",
+          "legendFormat": "{{ '{{' }}device{{ '}}' }}",
           "refId": "A"
         }
       ],
@@ -737,7 +737,7 @@
           "instant": false,
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{device\}\}",
+          "legendFormat": "{{ '{{' }}device{{ '}}' }}",
           "refId": "A"
         }
       ],
diff --git a/templates/dashboards/nginx.json.j2 b/templates/dashboards/nginx.json.j2
index b994ec2..0563ec1 100644
--- a/templates/dashboards/nginx.json.j2
+++ b/templates/dashboards/nginx.json.j2
@@ -257,7 +257,7 @@
           "format": "time_series",
           "instant": false,
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\} accepted",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} accepted",
           "refId": "A"
         },
         {
@@ -269,7 +269,7 @@
           "format": "time_series",
           "instant": false,
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\} handled",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} handled",
           "refId": "B"
         }
       ],
@@ -362,7 +362,7 @@
           "expr": "nginx_connections_active{instance=~\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\} active",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} active",
           "refId": "A"
         },
         {
@@ -373,7 +373,7 @@
           "expr": "nginx_connections_reading{instance=~\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\} reading",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} reading",
           "refId": "B"
         },
         {
@@ -384,7 +384,7 @@
           "expr": "nginx_connections_waiting{instance=~\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\} waiting",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} waiting",
           "refId": "C"
         },
         {
@@ -395,7 +395,7 @@
           "expr": "nginx_connections_writing{instance=~\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\} writing",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} writing",
           "refId": "D"
         }
       ],
@@ -484,7 +484,7 @@
           "expr": "irate(nginx_http_requests_total{instance=~\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "\{\{instance\}\} total requests",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} total requests",
           "refId": "A"
         }
       ],
diff --git a/templates/dashboards/opensearch.json.j2 b/templates/dashboards/opensearch.json.j2
index f2a87ce..d8ce56a 100644
--- a/templates/dashboards/opensearch.json.j2
+++ b/templates/dashboards/opensearch.json.j2
@@ -825,7 +825,7 @@
           "expr": "sum by (instance)(irate(node_cpu_seconds_total{mode=\"system\",instance=~\".*$node.*\",job=\"$job\"}[5m])) * 100",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "Busy System \{\{instance\}\}",
+          "legendFormat": "Busy System {{ '{{' }}instance{{ '}}' }}",
           "refId": "A"
         },
         {
@@ -835,7 +835,7 @@
           "expr": "sum by (instance)(irate(node_cpu_seconds_total{mode='user',instance=~\".*$node.*\",job=\"$job\"}[5m])) * 100",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "Busy User \{\{instance\}\}",
+          "legendFormat": "Busy User {{ '{{' }}instance{{ '}}' }}",
           "refId": "B"
         },
         {
@@ -845,7 +845,7 @@
           "expr": "sum by (instance)(irate(node_cpu_seconds_total{mode='iowait',instance=~\".*$node.*\",job=\"$job\"}[5m])) * 100",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "Busy Iowait \{\{instance\}\}",
+          "legendFormat": "Busy Iowait {{ '{{' }}instance{{ '}}' }}",
           "refId": "C"
         },
         {
@@ -855,7 +855,7 @@
           "expr": "sum by (instance)(irate(node_cpu_seconds_total{mode=~\".*irq\",instance=~\".*$node.*\",job=\"$job\"}[5m])) * 100",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "Busy IRQs \{\{instance\}\}",
+          "legendFormat": "Busy IRQs {{ '{{' }}instance{{ '}}' }}",
           "refId": "D"
         },
         {
@@ -968,7 +968,7 @@
           "expr": "irate(node_network_receive_bytes_total{instance=~\".*$node.*\",job=\"$job\"}[5m])*8",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "recv \{\{device\}\} \{\{instance\}\}",
+          "legendFormat": "recv {{ '{{' }}device{{ '}}' }} {{ '{{' }}instance{{ '}}' }}",
           "refId": "A"
         },
         {
@@ -978,7 +978,7 @@
           "expr": "irate(node_network_transmit_bytes_total{instance=~\".*$node.*\",job=\"$job\"}[5m])*8",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "trans \{\{device\}\} \{\{instance\}\}",
+          "legendFormat": "trans {{ '{{' }}device{{ '}}' }} {{ '{{' }}instance{{ '}}' }}",
           "refId": "B"
         }
       ],
@@ -1290,7 +1290,7 @@
           "exemplar": true,
           "expr": "rate(opensearch_indices_indexing_index_count{cluster=~\"$cluster\"}[1h])",
           "interval": "",
-          "legendFormat": "\{\{ node \}\}",
+          "legendFormat": "{{ '{{' }} node {{ '}}' }}",
           "refId": "A"
         }
       ],
@@ -1385,7 +1385,7 @@
           "exemplar": true,
           "expr": "rate(opensearch_indices_search_fetch_count{cluster=~\"$cluster\"}[1h])",
           "interval": "",
-          "legendFormat": "\{\{ node \}\}",
+          "legendFormat": "{{ '{{' }} node {{ '}}' }}",
           "refId": "A"
         }
       ],
@@ -1484,7 +1484,7 @@
           "expr": "sum(opensearch_threadpool_tasks_number{cluster=~\"$cluster\", name!=\"management\", type=\"queue\"}) by (name)",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "Name: \{\{ name \}\}",
+          "legendFormat": "Name: {{ '{{' }} name {{ '}}' }}",
           "refId": "A",
           "step": 240
         }
@@ -1919,7 +1919,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "Name: \{\{ name \}\}",
+          "legendFormat": "Name: {{ '{{' }} name {{ '}}' }}",
           "refId": "A",
           "step": 240
         }
@@ -2018,7 +2018,7 @@
           "expr": "rate(opensearch_threadpool_threads_count{cluster=~\"$cluster\", name!=\"management\", type=\"rejected\"}[5m])",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ node \}\} \{\{ name \}\}",
+          "legendFormat": "{{ '{{' }} node {{ '}}' }} {{ '{{' }} name {{ '}}' }}",
           "refId": "A",
           "step": 240
         }
@@ -2125,7 +2125,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "\{\{ mode \}\}",
+          "legendFormat": "{{ '{{' }} mode {{ '}}' }}",
           "metric": "elasticsearch_breakers_tripped",
           "metrics": [
             {
@@ -2236,7 +2236,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ node \}\}",
+          "legendFormat": "{{ '{{' }} node {{ '}}' }}",
           "refId": "A",
           "step": 240
         }
@@ -2452,7 +2452,7 @@
           "expr": "irate(opensearch_jvm_gc_collection_time_seconds{cluster=~\"$cluster\"}[5m])",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ node \}\} \{\{ gc \}\}",
+          "legendFormat": "{{ '{{' }} node {{ '}}' }} {{ '{{' }} gc {{ '}}' }}",
           "refId": "A",
           "step": 240
         }
diff --git a/templates/dashboards/phpfpm.json.j2 b/templates/dashboards/phpfpm.json.j2
index 971b616..c77ef60 100644
--- a/templates/dashboards/phpfpm.json.j2
+++ b/templates/dashboards/phpfpm.json.j2
@@ -102,7 +102,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 1,
-          "legendFormat": "\{\{socket_path\}\}",
+          "legendFormat": "{{ '{{' }}socket_path{{ '}}' }}",
           "metric": "php_fpm_start_time_seconds",
           "refId": "A",
           "step": 1
@@ -204,7 +204,7 @@
           "expr": "sum by (socket_path) (php_fpm_active_processes{instance=~\"^$host\", socket_path=~\"$pool\"}) / sum by (socket_path) ( php_fpm_max_active_processes{instance=~\"^$host\", socket_path=~\"$pool\"})",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "\{\{ socket_path \}\}",
+          "legendFormat": "{{ '{{' }} socket_path {{ '}}' }}",
           "refId": "A"
         }
       ],
@@ -306,7 +306,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{socket_path\}\}",
+          "legendFormat": "{{ '{{' }}socket_path{{ '}}' }}",
           "refId": "A",
           "step": 2
         }
@@ -411,7 +411,7 @@
           "instant": false,
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ socket_path \}\} ",
+          "legendFormat": "{{ '{{' }} socket_path {{ '}}' }} ",
           "refId": "A",
           "step": 2
         }
@@ -516,7 +516,7 @@
           "instant": false,
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ socket_path \}\} ",
+          "legendFormat": "{{ '{{' }} socket_path {{ '}}' }} ",
           "metric": "php_fpm_active_processes",
           "refId": "B",
           "step": 2
@@ -622,7 +622,7 @@
           "hide": false,
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ socket_path \}\} ",
+          "legendFormat": "{{ '{{' }} socket_path {{ '}}' }} ",
           "refId": "A",
           "step": 2
         }
@@ -725,7 +725,7 @@
           "format": "time_series",
           "hide": false,
           "intervalFactor": 2,
-          "legendFormat": "\{\{ socket_path \}\} ",
+          "legendFormat": "{{ '{{' }} socket_path {{ '}}' }} ",
           "metric": "php_fpm_max_children_reached",
           "refId": "D",
           "step": 2
@@ -829,7 +829,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ socket_path \}\} ",
+          "legendFormat": "{{ '{{' }} socket_path {{ '}}' }} ",
           "metric": "php_fpm_idle_processes",
           "refId": "C",
           "step": 2
diff --git a/templates/dashboards/plateform-overview-cf.json.j2 b/templates/dashboards/plateform-overview-cf.json.j2
index 7c45023..fc88e3b 100644
--- a/templates/dashboards/plateform-overview-cf.json.j2
+++ b/templates/dashboards/plateform-overview-cf.json.j2
@@ -1338,7 +1338,7 @@
           "expr": "sum(rate(node_network_receive_bytes_total{instance=~\"$host\",job=\"$job\"}[$__rate_interval])*8)",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "recv \{\{device\}\}",
+          "legendFormat": "recv {{ '{{' }}device{{ '}}' }}",
           "range": true,
           "refId": "A",
           "step": 240
@@ -1352,7 +1352,7 @@
           "expr": "sum(rate(node_network_transmit_bytes_total{instance=~\"$host\",job=\"$job\"}[$__rate_interval])*8)",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "trans \{\{device\}\} ",
+          "legendFormat": "trans {{ '{{' }}device{{ '}}' }} ",
           "range": true,
           "refId": "B",
           "step": 240
@@ -1451,7 +1451,7 @@
           },
           "editorMode": "code",
           "expr": "avg(100 - ((node_filesystem_avail_bytes{instance=~\"$host\",mountpoint=~\"$mountpoints\"} * 100) / node_filesystem_size_bytes{instance=~\"$host\",mountpoint=~\"$mountpoints\"})) by (mountpoint)",
-          "legendFormat": "\{\{instance\}\} \{\{mountpoint\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} {{ '{{' }}mountpoint{{ '}}' }}",
           "range": true,
           "refId": "A"
         }
@@ -1561,7 +1561,7 @@
           },
           "editorMode": "code",
           "expr": "sum(rate(haproxy_frontend_http_responses_total{instance=~\"$production\"}[$__rate_interval])) by (code)",
-          "legendFormat": "\{\{ code \}\}",
+          "legendFormat": "{{ '{{' }} code {{ '}}' }}",
           "range": true,
           "refId": "A"
         }
diff --git a/templates/dashboards/plateform-overview.json.j2 b/templates/dashboards/plateform-overview.json.j2
index b0043d9..79c6b44 100644
--- a/templates/dashboards/plateform-overview.json.j2
+++ b/templates/dashboards/plateform-overview.json.j2
@@ -1341,7 +1341,7 @@
           "expr": "sum(rate(node_network_receive_bytes_total{instance=~\"$host\",job=\"$job\"}[$__rate_interval])*8)",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "recv \{\{device\}\}",
+          "legendFormat": "recv {{ '{{' }}device{{ '}}' }}",
           "range": true,
           "refId": "A",
           "step": 240
@@ -1355,7 +1355,7 @@
           "expr": "sum(rate(node_network_transmit_bytes_total{instance=~\"$host\",job=\"$job\"}[$__rate_interval])*8)",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "trans \{\{device\}\} ",
+          "legendFormat": "trans {{ '{{' }}device{{ '}}' }} ",
           "range": true,
           "refId": "B",
           "step": 240
@@ -1455,7 +1455,7 @@
           },
           "editorMode": "code",
           "expr": "avg(100 - ((node_filesystem_avail_bytes{instance=~\"$host\",mountpoint=~\"$mountpoints\"} * 100) / node_filesystem_size_bytes{instance=~\"$host\",mountpoint=~\"$mountpoints\"})) by (mountpoint)",
-          "legendFormat": "\{\{instance\}\} \{\{mountpoint\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} {{ '{{' }}mountpoint{{ '}}' }}",
           "range": true,
           "refId": "A"
         }
@@ -1562,7 +1562,7 @@
           },
           "editorMode": "code",
           "expr": "sum(rate(haproxy_frontend_http_responses_total{instance=~\"$production\"}[$__rate_interval])) by (code)",
-          "legendFormat": "\{\{ code \}\}",
+          "legendFormat": "{{ '{{' }} code {{ '}}' }}",
           "range": true,
           "refId": "A"
         }
@@ -1761,7 +1761,7 @@
           "expr": "sum by (socket_path) (rate(php_fpm_slow_requests{instance=~\"$production\"} [$__rate_interval]))",
           "interval": "",
           "intervalFactor": 10,
-          "legendFormat": "\{\{ socket_path \}\} ",
+          "legendFormat": "{{ '{{' }} socket_path {{ '}}' }} ",
           "range": true,
           "refId": "A"
         }
diff --git a/templates/dashboards/postgresql.json.j2 b/templates/dashboards/postgresql.json.j2
index d7f192e..6319151 100644
--- a/templates/dashboards/postgresql.json.j2
+++ b/templates/dashboards/postgresql.json.j2
@@ -77,7 +77,7 @@
           },
           "editorMode": "code",
           "expr": "sum by (short_version) (pg_static{instance=~\"$host\"})",
-          "legendFormat": "\{\{short_version\}\}",
+          "legendFormat": "{{ '{{' }}short_version{{ '}}' }}",
           "range": true,
           "refId": "A"
         }
@@ -594,7 +594,7 @@
           },
           "editorMode": "builder",
           "expr": "sum by(instance) (rate(pg_stat_database_xact_commit{instance=~\"$host\"}[$__rate_interval]))",
-          "legendFormat": "\{\{instance\}\} commits",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} commits",
           "range": true,
           "refId": "A"
         },
@@ -606,7 +606,7 @@
           "editorMode": "builder",
           "expr": "sum by(instance) (rate(pg_stat_database_xact_commit{instance=~\"$host\"}[$__rate_interval]))",
           "hide": false,
-          "legendFormat": "\{\{instance\}\} rollbacks",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} rollbacks",
           "range": true,
           "refId": "B"
         }
@@ -699,7 +699,7 @@
           },
           "editorMode": "builder",
           "expr": "sum by(instance) (rate(pg_locks_count{instance=~\"$host\"}[$__rate_interval]))",
-          "legendFormat": "\{\{instance\}\} locks",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }} locks",
           "range": true,
           "refId": "A"
         }
@@ -792,7 +792,7 @@
           },
           "editorMode": "builder",
           "expr": "sum by(instance) (rate(pg_stat_activity_count{instance=~\"$host\", state=\"active\"}[$__rate_interval]))",
-          "legendFormat": "\{\{instance\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }}",
           "range": true,
           "refId": "A"
         }
@@ -885,7 +885,7 @@
           },
           "editorMode": "builder",
           "expr": "sum by(instance) (rate(pg_stat_activity_count{instance=~\"$host\", state=~\"idle|idle in transaction|idle in transaction (aborted)\"}[$__rate_interval]))",
-          "legendFormat": "\{\{instance\}\}",
+          "legendFormat": "{{ '{{' }}instance{{ '}}' }}",
           "range": true,
           "refId": "A"
         }
diff --git a/templates/dashboards/proxmox.json.j2 b/templates/dashboards/proxmox.json.j2
index 5957ca5..7156a89 100644
--- a/templates/dashboards/proxmox.json.j2
+++ b/templates/dashboards/proxmox.json.j2
@@ -614,7 +614,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "\{\{name\}\} (\{\{type\}\})",
+          "legendFormat": "{{ '{{' }}name{{ '}}' }} ({{ '{{' }}type{{ '}}' }})",
           "refId": "A"
         }
       ],
@@ -717,7 +717,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 4,
-          "legendFormat": "\{\{name\}\} (\{\{type\}\})",
+          "legendFormat": "{{ '{{' }}name{{ '}}' }} ({{ '{{' }}type{{ '}}' }})",
           "refId": "A"
         }
       ],
@@ -803,7 +803,7 @@
           "instant": true,
           "interval": "",
           "intervalFactor": 1,
-          "legendFormat": "\{\{storage\}\}",
+          "legendFormat": "{{ '{{' }}storage{{ '}}' }}",
           "refId": "A"
         }
       ],
@@ -901,7 +901,7 @@
           "format": "time_series",
           "instant": true,
           "intervalFactor": 1,
-          "legendFormat": "\{\{storage\}\}",
+          "legendFormat": "{{ '{{' }}storage{{ '}}' }}",
           "refId": "A"
         }
       ],
@@ -1007,7 +1007,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 1,
-          "legendFormat": "\{\{name\}\} (\{\{type\}\})",
+          "legendFormat": "{{ '{{' }}name{{ '}}' }} ({{ '{{' }}type{{ '}}' }})",
           "refId": "A"
         }
       ],
@@ -1124,7 +1124,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 3,
-          "legendFormat": "\{\{name\}\} RECV (\{\{type\}\})",
+          "legendFormat": "{{ '{{' }}name{{ '}}' }} RECV ({{ '{{' }}type{{ '}}' }})",
           "refId": "A"
         },
         {
@@ -1136,7 +1136,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 3,
-          "legendFormat": "\{\{name\}\} SEND (\{\{type\}\})",
+          "legendFormat": "{{ '{{' }}name{{ '}}' }} SEND ({{ '{{' }}type{{ '}}' }})",
           "refId": "B"
         }
       ],
@@ -1239,7 +1239,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{name\}\} (\{\{type\}\})",
+          "legendFormat": "{{ '{{' }}name{{ '}}' }} ({{ '{{' }}type{{ '}}' }})",
           "refId": "A"
         }
       ],
diff --git a/templates/dashboards/redis.json.j2 b/templates/dashboards/redis.json.j2
index 450460f..7b41692 100644
--- a/templates/dashboards/redis.json.j2
+++ b/templates/dashboards/redis.json.j2
@@ -854,7 +854,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ db \}\} ",
+          "legendFormat": "{{ '{{' }} db {{ '}}' }} ",
           "range": true,
           "refId": "A",
           "step": 240,
@@ -1236,7 +1236,7 @@
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "\{\{ cmd \}\}",
+          "legendFormat": "{{ '{{' }} cmd {{ '}}' }}",
           "metric": "redis_command_calls_total",
           "range": true,
           "refId": "A",
diff --git a/templates/dashboards/varnish.json.j2 b/templates/dashboards/varnish.json.j2
index 3983887..f12142b 100644
--- a/templates/dashboards/varnish.json.j2
+++ b/templates/dashboards/varnish.json.j2
@@ -1461,7 +1461,7 @@
           "editorMode": "code",
           "expr": "sum by(type) (rate(varnish_main_sessions{instance=~\"^($host).*\"}[1m]))",
           "intervalFactor": 2,
-          "legendFormat": "session - \{\{type\}\}",
+          "legendFormat": "session - {{ '{{' }}type{{ '}}' }}",
           "range": true,
           "refId": "A",
           "step": 60