fix Grafana panels

Cargo.toml

@@ -30,7 +30,7 @@ cerberus = { git = "https://github.com/WalletConnect/cerberus.git", tag = "v0.9.
 # O11y
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["json"] }
-metrics = "0.20"
+metrics = "0.21"
 axum-prometheus = "0.3"
 
 # Serialisation
@@ -53,3 +53,8 @@ tap = "1.0"
 
 [build-dependencies]
 build-info-build = ">=0.0.30"
+
+[package.metadata.cargo-udeps.ignore]
+normal = ["unicode-normalization", "ahash"]
+#development = []
+#build = []

src/http_server/mod.rs

@@ -308,6 +308,7 @@ fn build_content_security_header(domains: Vec<Domain>) -> String {
 
         // `*.domain` doesn't match `domain` by the Content-Security-Policy spec, so
         // we are specifying both.
+        //
         // See the test for this function if you have any doubts.
         [" ", proto, "*.", domain, " ", proto, domain]
     });

terraform/monitoring/panels/http/request_response.libsonnet

@@ -4,22 +4,11 @@ local defaults  = import '../../grafonnet-lib/defaults.libsonnet';
 local panels = grafana.panels;
 local targets = grafana.targets;
 
-local thresholds = {
-  warning:  80,
-};
-
 local _configuration = defaults.configuration.timeseries
-  .withUnit(grafana.fieldConfig.units.Milliseconds)
   .withThresholdStyle(grafana.fieldConfig.thresholdStyle.Area)
   .withThresholds(
-    baseColor = defaults.values.colors.ok,
-    steps = [
-      { value: thresholds.warning, color: defaults.values.colors.critical },
-    ]
-  )
-  .withSoftLimit(
-    axisSoftMin = 0,
-    axisSoftMax = thresholds.warning,
+    baseColor = 'transparent',
+    steps = []
   )
   .addOverrides([
     grafana.override.newColorOverride(

terraform/monitoring/panels/registry/cache_read.libsonnet

@@ -34,7 +34,7 @@ local _configuration = defaults.configuration.timeseries
 {
   new(ds, vars)::
     panels.timeseries(
-      title       = 'Cache Weads / s',
+      title       = 'Cache Reads / s',
       datasource  = ds.prometheus,
     )
     .configure(_configuration)