adds override for sidecar containers

Author: ab-andresc

charts/nginx-gateway-fabric/templates/deployment.yaml

@@ -165,6 +165,9 @@ spec:
         {{- with .Values.nginxGateway.extraVolumeMounts -}}
         {{ toYaml . | nindent 8 }}
         {{- end }}
+      {{- if .Values.nginxGateway.extraContainers }}
+      {{- toYaml .Values.nginxGateway.extraContainers | nindent 6 }}
+      {{- end }}              
       {{- if .Values.nginxGateway.topologySpreadConstraints }}
       topologySpreadConstraints:
         {{- toYaml .Values.nginxGateway.topologySpreadConstraints | nindent 8 }}

charts/nginx-gateway-fabric/values.yaml

@@ -31,6 +31,11 @@ nginxGateway:
   # -- Set of custom annotations for GatewayClass objects.
   gatewayClassAnnotations: {}
 
+  # Extra containers to be added to the NGINX Gateway Fabric control plane pod.
+  # Use this to add additional containers to the control plane pod, such as sidecars.
+  # Note that these containers will not have access to the NGINX Gateway Fabric control plane's service account.
+  extraContainers: []
+
   # @schema
   # pattern: ^gateway.nginx.org/.*
   # required: true