Create main.yml

.github/workflows/main.yml

@@ -0,0 +1,66 @@
+name: Deploy Next.js to Raspberry Pi
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+      - preview
+
+jobs:
+  deploy:
+    runs-on: self-hosted  # Der Runner sollte auf dem Raspberry Pi laufen
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Set Environment Variables
+        run: |
+          if [[ "${{ github.ref_name }}" == "main" ]]; then
+            echo "DEPLOY_ENV=main" >> $GITHUB_ENV
+            echo "PORT=3000" >> $GITHUB_ENV
+          elif [[ "${{ github.ref_name }}" == "dev" ]]; then
+            echo "DEPLOY_ENV=dev" >> $GITHUB_ENV
+            echo "PORT=3001" >> $GITHUB_ENV
+          elif [[ "${{ github.ref_name }}" == "preview" ]]; then
+            echo "DEPLOY_ENV=preview" >> $GITHUB_ENV
+            echo "PORT=3002" >> $GITHUB_ENV
+          fi
+
+      - name: Build Docker Image
+        run: |
+          IMAGE_NAME="my-nextjs-app:$DEPLOY_ENV"
+          docker build -t $IMAGE_NAME .
+
+      - name: Deploy on Raspberry Pi (Zero-Downtime)
+        run: |
+          CONTAINER_NAME="nextjs-$DEPLOY_ENV"
+          IMAGE_NAME="my-nextjs-app:$DEPLOY_ENV"
+          NEW_CONTAINER_NAME="$CONTAINER_NAME-new"
+
+          # Pull latest image version if exists
+          docker pull $IMAGE_NAME || true
+
+          # Run new container on a different port
+          docker run -d --name "$NEW_CONTAINER_NAME" -p 30000:3000 $IMAGE_NAME
+
+          # Wait to ensure the new container is up and running
+          sleep 10
+
+          # Check if new container is healthy and running
+          if [ $(docker inspect --format='{{.State.Running}}' $NEW_CONTAINER_NAME) == "true" ]; then
+            # Stop and remove the old container
+            docker stop "$CONTAINER_NAME" || true
+            docker rm "$CONTAINER_NAME" || true
+
+            # Rename new container to the old container’s name
+            docker rename "$NEW_CONTAINER_NAME" "$CONTAINER_NAME"
+
+            # Reassign the desired port (e.g., 3000 for main branch) to the new container
+            docker run -d --name "$CONTAINER_NAME" -p $PORT:3000 $IMAGE_NAME
+          else
+            echo "New container failed to start."
+            docker logs $NEW_CONTAINER_NAME
+            exit 1
+          fi