RHDH CR with oauth2-proxy sidecar container

backstage-with-sidecar-container.yaml

---
apiVersion: rhdh.redhat.com/v1alpha1
kind: Backstage
metadata:
  name: backstage-with-sidecar
spec:
  # TODO: you may want to add app-config files, dynamic plugins config, extra env vars, etc. in the 'application' field.
  # application: {}
  rawRuntimeConfig:
    backstageConfig: backstage-with-sidecar-runtime-config

---
apiVersion: v1
kind: Secret
metadata:
  name: backstage-with-sidecar-app-secrets
stringData:
  OAUTH2_PROXY_CLIENT_ID: "my-oauth2-proxy-client-id"
  OAUTH2_PROXY_CLIENT_SECRET: "my-oauth2-proxy-client-secret"
  OAUTH2_PROXY_COOKIE_SECRET: "my-oauth2-proxy-cookie-secret"
  OAUTH2_PROXY_OIDC_ISSUER_URL: "my-oauth2-proxy-oidc-issuer-url"
  OAUTH2_PROXY_SSL_INSECURE_SKIP_VERIFY: "true"

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: backstage-with-sidecar-runtime-config
data:
  deployment.yaml: |-
    apiVersion: apps/v1
    kind: Deployment
    #metadata:
    #  name:  # placeholder for 'backstage-<cr-name>'
    spec:
      #replicas: 1
      selector:
        matchLabels:
          rhdh.redhat.com/app:  # placeholder for 'backstage-<cr-name>'
      template:
        metadata:
          labels:
            rhdh.redhat.com/app:  # placeholder for 'backstage-<cr-name>'
        spec:
          automountServiceAccountToken: false
          volumes:
            - ephemeral:
                volumeClaimTemplate:
                  spec:
                    accessModes:
                      - ReadWriteOnce
                    resources:
                      requests:
                        storage: 2Gi
              name: dynamic-plugins-root
            - name: dynamic-plugins-npmrc
              secret:
                defaultMode: 420
                optional: true
                secretName: dynamic-plugins-npmrc

          initContainers:
            - command:
                - ./install-dynamic-plugins.sh
                - /dynamic-plugins-root
              env:
                - name: NPM_CONFIG_USERCONFIG
                  value: /opt/app-root/src/.npmrc.dynamic-plugins
              # image will be replaced by the value of the `RELATED_IMAGE_backstage` env var, if set
              image: quay.io/janus-idp/backstage-showcase:latest
              imagePullPolicy: IfNotPresent
              name: install-dynamic-plugins
              volumeMounts:
                - mountPath: /dynamic-plugins-root
                  name: dynamic-plugins-root
                - mountPath: /opt/app-root/src/.npmrc.dynamic-plugins
                  name: dynamic-plugins-npmrc
                  readOnly: true
                  subPath: .npmrc
              workingDir: /opt/app-root/src
              resources:
                limits:
                  cpu: 1000m
                  memory: 2.5Gi
                  ephemeral-storage: 5Gi
          containers:
            - name: backstage-backend
              # image will be replaced by the value of the `RELATED_IMAGE_backstage` env var, if set
              image: quay.io/janus-idp/backstage-showcase:latest
              imagePullPolicy: IfNotPresent
              args:
                - "--config"
                - "dynamic-plugins-root/app-config.dynamic-plugins.yaml"
              readinessProbe:
                failureThreshold: 3
                httpGet:
                  path: /healthcheck
                  port: 7007
                  scheme: HTTP
                initialDelaySeconds: 30
                periodSeconds: 10
                successThreshold: 2
                timeoutSeconds: 2
              livenessProbe:
                failureThreshold: 3
                httpGet:
                  path: /healthcheck
                  port: 7007
                  scheme: HTTP
                initialDelaySeconds: 60
                periodSeconds: 10
                successThreshold: 1
                timeoutSeconds: 2
              ports:
                - name: backend
                  containerPort: 7007
              env:
                - name: APP_CONFIG_backend_listen_port
                  value: "7007"
              envFrom:
                - secretRef:
                    name: <POSTGRESQL_SECRET>  # will be replaced with 'backstage-psql-secrets-<cr-name>'
              #            - secretRef:
              #                name: backstage-secrets
              volumeMounts:
                - mountPath: /opt/app-root/src/dynamic-plugins-root
                  name: dynamic-plugins-root
              resources:
                limits:
                  cpu: 1000m
                  memory: 2.5Gi
                  ephemeral-storage: 5Gi

            # oauth2 sidecar container
            - args:
                - '--provider=oidc'
                - '--email-domain=*'
                - '--upstream=http://localhost:7007'
                - '--http-address=0.0.0.0:4180'
                - '--skip-provider-button'
                - '--insecure-oidc-allow-unverified-email=true'
                - '--pass-access-token=true'
                - '--pass-user-headers=true'
              envFrom:
                - secretRef:
                    name: backstage-with-sidecar-app-secrets
              image: 'quay.io/oauth2-proxy/oauth2-proxy:latest'
              imagePullPolicy: IfNotPresent
              name: oauth2-proxy
              ports:
                - containerPort: 4180
                  name: oauth2-proxy
                  protocol: TCP