Publish operator image to Quay

.github/workflows/release-operator-container.yml

@@ -0,0 +1,63 @@
+name: Release Keycloak Operator container
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+concurrency: keycloak-operator-container-release
+
+env:
+  JDK_VERSION: 11
+
+jobs:
+  publish:
+    if: github.repository == 'keycloak/keycloak'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        
+      - name: Container metadata
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: quay.io/keycloak/keycloak-operator
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+
+      - name: Login to Quay
+        uses: docker/login-action@v1
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_TOKEN }}
+
+      - uses: actions/setup-java@v1
+        with:
+          java-version: ${{ env.JDK_VERSION }}
+
+      - name: Cache Maven packages
+        id: cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.m2/repository
+          key: cache-1-${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: cache-1-${{ runner.os }}-m2
+
+      - name: Build locally Keycloak artifacts to avoid depending on Maven
+        run: |
+          mvn -P operator -pl operator -am clean install -DskipTests
+
+      - name: Build the operator Docker image
+        working-directory: operator
+        run: |
+          echo "${{ steps.meta.outputs.tags }}" | xargs -I {} \
+          mvn clean package \
+              -DskipTests \
+              -Dquarkus.container-image.image={} \
+              -Dquarkus.container-image.build=true \
+              -Dquarkus.container-image.push=true