initial commit

.github/workflows/build-and-publish.yaml

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+name: Build & Push (Docker)
+
+on:
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  build-and-push:
+    name: Build JAR and push Docker image
+    runs-on: ubuntu-18.04
+    env:
+      repo: lwluc/camunda-ddd-and-clean-architecture
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 17
+        uses: actions/setup-java@v1
+        with:
+          java-version: 17
+      - name: Maven Package
+        run: mvn clean package
+      - name: Login to Docker Hub
+        run: docker login -u ${{ secrets.DOCKER_USER }} -p '${{ secrets.DOCKER_TOKEN }}'
+      - name: Build Docker image
+        run: docker build -t ${{env.repo}} .
+      - name: Publish Docker image
+        run: docker push ${{env.repo}}