feat: Add ability to configure coder container lifecycle hooks in helm chart (#6432)

helm/templates/coder.yaml

@@ -55,6 +55,8 @@ spec:
           imagePullPolicy: {{ .Values.coder.image.pullPolicy }}
           resources:
             {{- toYaml .Values.coder.resources | nindent 12 }}
+          lifecycle:
+            {{- toYaml .Values.coder.lifecycle | nindent 12 }}
           env:
             - name: CODER_HTTP_ADDRESS
               value: "0.0.0.0:8080"

helm/values.yaml

@@ -120,6 +120,18 @@ coder:
     # "CODER_TLS_*" environment variables will be set for you.
     secretNames: []
 
+  # coder.lifecycle -- container lifecycle handlers for the Coder container, allowing
+  # for lifecycle events such as postStart and preStop events
+  # See: https://kubernetes.io/docs/tasks/configure-pod-container/attach-handler-lifecycle-event/
+  lifecycle:
+    {}
+    # postStart:
+    #   exec:
+    #     command: ["/bin/sh", "-c", "echo postStart"]
+    # preStop:
+    #   exec:
+    #     command: ["/bin/sh","-c","echo preStart"]
+
   # coder.resources -- The resources to request for Coder. These are optional
   # and are not set by default.
   resources: