feat: add extraContainers support

With the help of coderabbit <3

Author: ArnaudTA

charts/n8n/templates/deployment.webhook.yaml

@@ -118,6 +118,9 @@ spec:
           {{- if .Values.webhook.extraVolumeMounts }}
             {{- toYaml .Values.webhook.extraVolumeMounts | nindent 12 }}
           {{- end }}
+        {{- if .Values.webhook.extraContainers }}
+          {{ tpl (toYaml .Values.webhook.extraContainers) . | nindent 8}}
+        {{- end }}
       {{- with .Values.hostAliases }}
       hostAliases:
         {{- toYaml . | nindent 8 }}

charts/n8n/templates/deployment.worker.yaml

@@ -114,6 +114,9 @@ spec:
           {{- if .Values.worker.extraVolumeMounts }}
             {{- toYaml .Values.worker.extraVolumeMounts | nindent 12 }}
           {{- end }}
+        {{- if .Values.worker.extraContainers }}
+          {{ tpl (toYaml .Values.worker.extraContainers) . | nindent 8}}
+        {{- end }}
       {{- with .Values.hostAliases }}
       hostAliases:
         {{- toYaml . | nindent 8 }}

charts/n8n/templates/deployment.yaml

@@ -99,6 +99,9 @@ spec:
           {{- if .Values.main.extraVolumeMounts }}
             {{- toYaml .Values.main.extraVolumeMounts | nindent 12 }}
           {{- end }}
+        {{- if .Values.main.extraContainers }}
+          {{ tpl (toYaml .Values.main.extraContainers) . | nindent 8}}
+        {{- end }}
       {{- with .Values.hostAliases }}
       hostAliases:
         {{- toYaml . | nindent 8 }}

charts/n8n/values.yaml

@@ -260,6 +260,13 @@ main:
   tolerations: []
   affinity: {}
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: null
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "echo hello"]
+
 # # # # # # # # # # # # # # # #
 #
 # Worker related settings
@@ -445,6 +452,13 @@ worker:
   tolerations: []
   affinity: {}
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: null
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "echo hello"]
+
 # Webhook related settings
 # With .Values.scaling.webhook.enabled=true you disable Webhooks from the main process, but you enable the processing on a different Webhook instance.
 # See https://github.com/8gears/n8n-helm-chart/issues/39#issuecomment-1579991754 for the full explanation.
@@ -630,6 +644,13 @@ webhook:
   tolerations: []
   affinity: {}
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: null
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "echo hello"]
+
 #
 # User defined supplementary K8s manifests
 #