Add docker-compose.yml and Gitea Actions workflow

.gitea/workflows/deploy.yml

@@ -0,0 +1,48 @@
+name: Build & Deploy
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Gitea Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.mancinas.io
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: git.mancinas.io/rmancinas/ascii-art-app:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Deploy to Portainer via API
+        run: |
+          # Get current service spec
+          SERVICE_URL="${{ secrets.PORTAINER_API }}/endpoints/2/docker/services/ascii-art-app_ascii-art-app"
+          SPEC=$(curl -sk "$SERVICE_URL" -H "Authorization: Bearer ${{ secrets.PORTAINER_TOKEN }}")
+          
+          # Update version to force redeploy
+          VERSION=$(echo "$SPEC" | jq -r '.Version.Index')
+          UPDATED_SPEC=$(echo "$SPEC" | jq '.Spec | .TaskTemplate.ForceUpdate += 1')
+          
+          # Redeploy
+          curl -sk -X POST "$SERVICE_URL/update?version=$VERSION" \
+            -H "Authorization: Bearer ${{ secrets.PORTAINER_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "$UPDATED_SPEC"

docker-compose.yml

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+version: '3.8'
+
+services:
+  ascii-art-app:
+    image: git.mancinas.io/rmancinas/ascii-art-app:latest
+    deploy:
+      replicas: 1
+      restart_policy:
+        condition: on-failure
+        delay: 5s
+        max_attempts: 3
+    ports:
+      - "8182:5000"
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:5000/"]
+      interval: 30s
+      timeout: 10s
+      retries: 3