diff --git a/templates/dashboards/network.json.j2 b/templates/dashboards/network.json.j2
index 84e8d9d..8c360f3 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 e9869ae..8c6e17e 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=~\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "{{instance}} total requests",
+          "legendFormat": "\{\{instance\}\} total requests",
           "refId": "A"
         }
       ],
diff --git a/templates/dashboards/node-exporter.json.j2 b/templates/dashboards/node-exporter.json.j2
index 14a9872..feea686 100644
--- a/templates/dashboards/node-exporter.json.j2
+++ b/templates/dashboards/node-exporter.json.j2
@@ -1587,7 +1587,7 @@
           "expr": "rate(node_network_receive_bytes_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])*8",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "recv {{device}}",
+          "legendFormat": "recv \{\{device\}\}",
           "range": true,
           "refId": "A",
           "step": 240
@@ -1601,7 +1601,7 @@
           "expr": "rate(node_network_transmit_bytes_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])*8",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "trans {{device}} ",
+          "legendFormat": "trans \{\{device\}\} ",
           "range": true,
           "refId": "B",
           "step": 240
@@ -1705,7 +1705,7 @@
           "expr": "100 - ((node_filesystem_avail_bytes{instance=\"$host\",job=\"$job\",device!~'rootfs'} * 100) / node_filesystem_size_bytes{instance=\"$host\",job=\"$job\",device!~'rootfs'})",
           "format": "time_series",
           "intervalFactor": 1,
-          "legendFormat": "{{mountpoint}}",
+          "legendFormat": "\{\{mountpoint\}\}",
           "refId": "A",
           "step": 240
         }
@@ -2270,7 +2270,7 @@
               "expr": "rate(node_network_receive_bytes_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])*8",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive",
+              "legendFormat": "\{\{device\}\} - Receive",
               "refId": "A",
               "step": 240
             },
@@ -2282,7 +2282,7 @@
               "expr": "rate(node_network_transmit_bytes_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])*8",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Transmit",
+              "legendFormat": "\{\{device\}\} - Transmit",
               "refId": "B",
               "step": 240
             }
@@ -2387,7 +2387,7 @@
               "expr": "node_filesystem_size_bytes{instance=\"$host\",job=\"$job\",device!~'rootfs'} - node_filesystem_avail_bytes{instance=\"$host\",job=\"$job\",device!~'rootfs'}",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}}",
+              "legendFormat": "\{\{mountpoint\}\}",
               "refId": "A",
               "step": 240
             }
@@ -2576,7 +2576,7 @@
               },
               "expr": "rate(node_disk_reads_completed_total{instance=\"$host\",job=\"$job\",device=~\"$diskdevices\"}[$__rate_interval])",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - Reads completed",
+              "legendFormat": "\{\{device\}\} - Reads completed",
               "refId": "A",
               "step": 240
             },
@@ -2587,7 +2587,7 @@
               },
               "expr": "rate(node_disk_writes_completed_total{instance=\"$host\",job=\"$job\",device=~\"$diskdevices\"}[$__rate_interval])",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Writes completed",
+              "legendFormat": "\{\{device\}\} - Writes completed",
               "refId": "B",
               "step": 240
             }
@@ -2715,7 +2715,7 @@
               "format": "time_series",
               "hide": false,
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Successfully read bytes",
+              "legendFormat": "\{\{device\}\} - Successfully read bytes",
               "refId": "A",
               "step": 240
             },
@@ -2728,7 +2728,7 @@
               "format": "time_series",
               "hide": false,
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Successfully written bytes",
+              "legendFormat": "\{\{device\}\} - Successfully written bytes",
               "refId": "B",
               "step": 240
             }
@@ -2835,7 +2835,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{device}}",
+              "legendFormat": "\{\{device\}\}",
               "refId": "A",
               "step": 240
             }
@@ -5992,7 +5992,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ state }}",
+              "legendFormat": "\{\{ state \}\}",
               "refId": "A",
               "step": 240
             }
@@ -6435,7 +6435,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "CPU {{ cpu }} - seconds spent running a process",
+              "legendFormat": "CPU \{\{ cpu \}\} - seconds spent running a process",
               "refId": "A",
               "step": 240
             },
@@ -6448,7 +6448,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "CPU {{ cpu }} - seconds spent by processing waiting for this CPU",
+              "legendFormat": "CPU \{\{ cpu \}\} - seconds spent by processing waiting for this CPU",
               "refId": "B",
               "step": 240
             }
@@ -6904,7 +6904,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ type }} - {{ info }}",
+              "legendFormat": "\{\{ type \}\} - \{\{ info \}\}",
               "refId": "A",
               "step": 240
             }
@@ -6996,7 +6996,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "CPU {{ cpu }}",
+              "legendFormat": "CPU \{\{ cpu \}\}",
               "refId": "A",
               "step": 240
             }
@@ -7423,7 +7423,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ chip }} {{ sensor }} temp",
+              "legendFormat": "\{\{ chip \}\} \{\{ sensor \}\} temp",
               "refId": "A",
               "step": 240
             },
@@ -7437,7 +7437,7 @@
               "hide": true,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ chip }} {{ sensor }} Critical Alarm",
+              "legendFormat": "\{\{ chip \}\} \{\{ sensor \}\} Critical Alarm",
               "refId": "B",
               "step": 240
             },
@@ -7450,7 +7450,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ chip }} {{ sensor }} Critical",
+              "legendFormat": "\{\{ chip \}\} \{\{ sensor \}\} Critical",
               "refId": "C",
               "step": 240
             },
@@ -7464,7 +7464,7 @@
               "hide": true,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ chip }} {{ sensor }} Critical Historical",
+              "legendFormat": "\{\{ chip \}\} \{\{ sensor \}\} Critical Historical",
               "refId": "D",
               "step": 240
             },
@@ -7478,7 +7478,7 @@
               "hide": true,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ chip }} {{ sensor }} Max",
+              "legendFormat": "\{\{ chip \}\} \{\{ sensor \}\} Max",
               "refId": "E",
               "step": 240
             }
@@ -7586,7 +7586,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "Current {{ name }} in {{ type }}",
+              "legendFormat": "Current \{\{ name \}\} in \{\{ type \}\}",
               "refId": "A",
               "step": 240
             },
@@ -7599,7 +7599,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "Max {{ name }} in {{ type }}",
+              "legendFormat": "Max \{\{ name \}\} in \{\{ type \}\}",
               "refId": "B",
               "step": 240
             }
@@ -7699,7 +7699,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ power_supply }} online",
+              "legendFormat": "\{\{ power_supply \}\} online",
               "refId": "A",
               "step": 240
             }
@@ -7809,7 +7809,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{ name }} Connections",
+              "legendFormat": "\{\{ name \}\} Connections",
               "refId": "A",
               "step": 240
             }
@@ -8196,7 +8196,7 @@
               },
               "expr": "rate(node_disk_reads_completed_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - Reads completed",
+              "legendFormat": "\{\{device\}\} - Reads completed",
               "refId": "A",
               "step": 240
             },
@@ -8207,7 +8207,7 @@
               },
               "expr": "rate(node_disk_writes_completed_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Writes completed",
+              "legendFormat": "\{\{device\}\} - Writes completed",
               "refId": "B",
               "step": 240
             }
@@ -8394,7 +8394,7 @@
               "expr": "rate(node_disk_read_bytes_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - Read bytes",
+              "legendFormat": "\{\{device\}\} - Read bytes",
               "refId": "A",
               "step": 240
             },
@@ -8406,7 +8406,7 @@
               "expr": "rate(node_disk_written_bytes_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Written bytes",
+              "legendFormat": "\{\{device\}\} - Written bytes",
               "refId": "B",
               "step": 240
             }
@@ -8596,7 +8596,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - Read wait time avg",
+              "legendFormat": "\{\{device\}\} - Read wait time avg",
               "refId": "A",
               "step": 240
             },
@@ -8609,7 +8609,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Write wait time avg",
+              "legendFormat": "\{\{device\}\} - Write wait time avg",
               "refId": "B",
               "step": 240
             }
@@ -8794,7 +8794,7 @@
               "expr": "rate(node_disk_io_time_weighted_seconds_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "interval": "",
               "intervalFactor": 4,
-              "legendFormat": "{{device}}",
+              "legendFormat": "\{\{device\}\}",
               "refId": "A",
               "step": 240
             }
@@ -8983,7 +8983,7 @@
               },
               "expr": "rate(node_disk_reads_merged_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Read merged",
+              "legendFormat": "\{\{device\}\} - Read merged",
               "refId": "A",
               "step": 240
             },
@@ -8994,7 +8994,7 @@
               },
               "expr": "rate(node_disk_writes_merged_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Write merged",
+              "legendFormat": "\{\{device\}\} - Write merged",
               "refId": "B",
               "step": 240
             }
@@ -9179,7 +9179,7 @@
               "expr": "rate(node_disk_io_time_seconds_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "interval": "",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - IO",
+              "legendFormat": "\{\{device\}\} - IO",
               "refId": "A",
               "step": 240
             },
@@ -9191,7 +9191,7 @@
               "expr": "rate(node_disk_discard_time_seconds_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "interval": "",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - discard",
+              "legendFormat": "\{\{device\}\} - discard",
               "refId": "B",
               "step": 240
             }
@@ -9378,7 +9378,7 @@
               "expr": "node_disk_io_now{instance=\"$host\",job=\"$job\"}",
               "interval": "",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - IO now",
+              "legendFormat": "\{\{device\}\} - IO now",
               "refId": "A",
               "step": 240
             }
@@ -9583,7 +9583,7 @@
               "expr": "rate(node_disk_discards_completed_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "interval": "",
               "intervalFactor": 4,
-              "legendFormat": "{{device}} - Discards completed",
+              "legendFormat": "\{\{device\}\} - Discards completed",
               "refId": "A",
               "step": 240
             },
@@ -9595,7 +9595,7 @@
               "expr": "rate(node_disk_discards_merged_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Discards merged",
+              "legendFormat": "\{\{device\}\} - Discards merged",
               "refId": "B",
               "step": 240
             }
@@ -9717,7 +9717,7 @@
               "format": "time_series",
               "hide": false,
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}} - Available",
+              "legendFormat": "\{\{mountpoint\}\} - Available",
               "metric": "",
               "refId": "A",
               "step": 240
@@ -9731,7 +9731,7 @@
               "format": "time_series",
               "hide": true,
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}} - Free",
+              "legendFormat": "\{\{mountpoint\}\} - Free",
               "refId": "B",
               "step": 240
             },
@@ -9744,7 +9744,7 @@
               "format": "time_series",
               "hide": true,
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}} - Size",
+              "legendFormat": "\{\{mountpoint\}\} - Size",
               "refId": "C",
               "step": 240
             }
@@ -9848,7 +9848,7 @@
               "format": "time_series",
               "hide": false,
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}} - Free file nodes",
+              "legendFormat": "\{\{mountpoint\}\} - Free file nodes",
               "refId": "A",
               "step": 240
             }
@@ -10064,7 +10064,7 @@
               "format": "time_series",
               "hide": false,
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}} - File nodes total",
+              "legendFormat": "\{\{mountpoint\}\} - File nodes total",
               "refId": "A",
               "step": 240
             }
@@ -10169,7 +10169,7 @@
               "expr": "node_filesystem_readonly{instance=\"$host\",job=\"$job\",device!~'rootfs'}",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}} - ReadOnly",
+              "legendFormat": "\{\{mountpoint\}\} - ReadOnly",
               "refId": "A",
               "step": 240
             },
@@ -10182,7 +10182,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{mountpoint}} - Device error",
+              "legendFormat": "\{\{mountpoint\}\} - Device error",
               "refId": "B",
               "step": 240
             }
@@ -10306,7 +10306,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive",
+              "legendFormat": "\{\{device\}\} - Receive",
               "refId": "A",
               "step": 240
             },
@@ -10319,7 +10319,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Transmit",
+              "legendFormat": "\{\{device\}\} - Transmit",
               "refId": "B",
               "step": 240
             }
@@ -10419,7 +10419,7 @@
               "expr": "rate(node_network_receive_errs_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive errors",
+              "legendFormat": "\{\{device\}\} - Receive errors",
               "refId": "A",
               "step": 240
             },
@@ -10431,7 +10431,7 @@
               "expr": "rate(node_network_transmit_errs_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Rransmit errors",
+              "legendFormat": "\{\{device\}\} - Rransmit errors",
               "refId": "B",
               "step": 240
             }
@@ -10531,7 +10531,7 @@
               "expr": "rate(node_network_receive_drop_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive drop",
+              "legendFormat": "\{\{device\}\} - Receive drop",
               "refId": "A",
               "step": 240
             },
@@ -10543,7 +10543,7 @@
               "expr": "rate(node_network_transmit_drop_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Transmit drop",
+              "legendFormat": "\{\{device\}\} - Transmit drop",
               "refId": "B",
               "step": 240
             }
@@ -10643,7 +10643,7 @@
               "expr": "rate(node_network_receive_compressed_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive compressed",
+              "legendFormat": "\{\{device\}\} - Receive compressed",
               "refId": "A",
               "step": 240
             },
@@ -10655,7 +10655,7 @@
               "expr": "rate(node_network_transmit_compressed_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Transmit compressed",
+              "legendFormat": "\{\{device\}\} - Transmit compressed",
               "refId": "B",
               "step": 240
             }
@@ -10755,7 +10755,7 @@
               "expr": "rate(node_network_receive_multicast_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive multicast",
+              "legendFormat": "\{\{device\}\} - Receive multicast",
               "refId": "A",
               "step": 240
             }
@@ -10855,7 +10855,7 @@
               "expr": "rate(node_network_receive_fifo_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive fifo",
+              "legendFormat": "\{\{device\}\} - Receive fifo",
               "refId": "A",
               "step": 240
             },
@@ -10867,7 +10867,7 @@
               "expr": "rate(node_network_transmit_fifo_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Transmit fifo",
+              "legendFormat": "\{\{device\}\} - Transmit fifo",
               "refId": "B",
               "step": 240
             }
@@ -10969,7 +10969,7 @@
               "format": "time_series",
               "hide": false,
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Receive frame",
+              "legendFormat": "\{\{device\}\} - Receive frame",
               "refId": "A",
               "step": 240
             }
@@ -11066,7 +11066,7 @@
               "expr": "rate(node_network_transmit_carrier_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Statistic transmit_carrier",
+              "legendFormat": "\{\{device\}\} - Statistic transmit_carrier",
               "refId": "A",
               "step": 240
             }
@@ -11166,7 +11166,7 @@
               "expr": "rate(node_network_transmit_colls_total{instance=\"$host\",job=\"$job\"}[$__rate_interval])",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{device}} - Transmit colls",
+              "legendFormat": "\{\{device\}\} - Transmit colls",
               "refId": "A",
               "step": 240
             }
@@ -11368,7 +11368,7 @@
               "expr": "node_arp_entries{instance=\"$host\",job=\"$job\"}",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{ device }} - ARP entries",
+              "legendFormat": "\{\{ device \}\} - ARP entries",
               "refId": "A",
               "step": 240
             }
@@ -11459,7 +11459,7 @@
               "expr": "node_network_mtu_bytes{instance=\"$host\",job=\"$job\"}",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{ device }} - Bytes",
+              "legendFormat": "\{\{ device \}\} - Bytes",
               "refId": "A",
               "step": 240
             }
@@ -11551,7 +11551,7 @@
               "expr": "node_network_speed_bytes{instance=\"$host\",job=\"$job\"}",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{ device }} - Speed",
+              "legendFormat": "\{\{ device \}\} - Speed",
               "refId": "A",
               "step": 240
             }
@@ -11643,7 +11643,7 @@
               "expr": "node_network_transmit_queue_length{instance=\"$host\",job=\"$job\"}",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{ device }} -   Interface transmit queue length",
+              "legendFormat": "\{\{ device \}\} -   Interface transmit queue length",
               "refId": "A",
               "step": 240
             }
@@ -11747,7 +11747,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "CPU {{cpu}} - Processed",
+              "legendFormat": "CPU \{\{cpu\}\} - Processed",
               "refId": "A",
               "step": 240
             },
@@ -11760,7 +11760,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "CPU {{cpu}} - Dropped",
+              "legendFormat": "CPU \{\{cpu\}\} - Dropped",
               "refId": "B",
               "step": 240
             }
@@ -11858,7 +11858,7 @@
               "format": "time_series",
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "CPU {{cpu}} - Squeezed",
+              "legendFormat": "CPU \{\{cpu\}\} - Squeezed",
               "refId": "A",
               "step": 240
             }
@@ -11955,7 +11955,7 @@
               "expr": "node_network_up{operstate=\"up\",instance=\"$host\",job=\"$job\"}",
               "format": "time_series",
               "intervalFactor": 1,
-              "legendFormat": "{{interface}} - Operational state UP",
+              "legendFormat": "\{\{interface\}\} - Operational state UP",
               "refId": "A",
               "step": 240
             },
@@ -11967,7 +11967,7 @@
               "expr": "node_network_carrier{instance=\"$host\",job=\"$job\"}",
               "format": "time_series",
               "instant": false,
-              "legendFormat": "{{device}} - Physical link state",
+              "legendFormat": "\{\{device\}\} - Physical link state",
               "refId": "B"
             }
           ],
@@ -14170,7 +14170,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{collector}} - Scrape duration",
+              "legendFormat": "\{\{collector\}\} - Scrape duration",
               "refId": "A",
               "step": 240
             }
@@ -14269,7 +14269,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{collector}} - Scrape success",
+              "legendFormat": "\{\{collector\}\} - Scrape success",
               "refId": "A",
               "step": 240
             },
@@ -14283,7 +14283,7 @@
               "hide": false,
               "interval": "",
               "intervalFactor": 1,
-              "legendFormat": "{{collector}} - Scrape textfile error (1 = true)",
+              "legendFormat": "\{\{collector\}\} - Scrape textfile error (1 = true)",
               "refId": "B",
               "step": 240
             }
diff --git a/templates/dashboards/opensearch.json.j2 b/templates/dashboards/opensearch.json.j2
index 6310db9..6d2f3e1 100644
--- a/templates/dashboards/opensearch.json.j2
+++ b/templates/dashboards/opensearch.json.j2
@@ -825,7 +825,7 @@
           "expr": "sum by (instance)(irate(node_cpu_seconds_total{mode=\"system\",instance=~\".*$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 09b1113..5640321 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
@@ -871,7 +871,7 @@
           "refId": "prometheus-Host-Variable-Query"
         },
         "refresh": 1,
-        "regex": "{{ grafana_dashboard_regex | default('') }}",
+        "regex": "{{ grafana_dashboard_regex | default('') \}\}",
         "skipUrlSync": false,
         "sort": 1,
         "tagValuesQuery": "",
diff --git a/templates/dashboards/plateform-overview-cf.json.j2 b/templates/dashboards/plateform-overview-cf.json.j2
index 759befb..9169b62 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 ffa65be..d5188a6 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 a852c96..e2aac2c 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 2aaa4b0..3feed97 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 0d1e7f7..1d319f3 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 c1c9ff0..423c15d 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