Support for extraContainers Value : Google Cloud SQL Proxy

[jaekook-neonesia]

Hi, could add extraContainers value to deployment template?
This will be very helpful for GKE users.(include me :))
Thank you.

values :

extraContainers: |

• name: cloudsql-proxy
  image: gcr.io/cloudsql-docker/gce-proxy:1.17
  command:
  • /cloud_sql_proxy
    args:
  • -instances={{ .Values.cloudsql.project }}:{{ .Values.cloudsql.region }}:{{ .Values.cloudsql.instance }}=tcp:5432
  • -credential_file=/secrets/cloudsql/credentials.json
    volumeMounts:
  • name: cloudsql-creds
    mountPath: /secrets/cloudsql
    readOnly: true

---

template:

        - name: HASURA_GRAPHQL_AUTH_HOOK_MODE
          value: "{{ .Values.auth.hook.mode }}"
        {{- end }}

      resources:
        {{- toYaml .Values.resources | nindent 12 }}

    {{- with .Values.extraContainers }}
    {{- tpl . $ | nindent 8 }}
    {{- end }}

---

Ref : https://github.com/codecentric/helm-charts/tree/master/charts/keycloak