feat: add Docker deployment workflow for building and deploying the application

.gitea/workflows/deploy.yml

@@ -0,0 +1,49 @@
+name: Build and Deploy
+
+on:
+  push:
+    branches:
+      - main
+      - master
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      
+      - name: Build Docker image
+        run: |
+          docker build -t timetracker:latest .
+          docker tag timetracker:latest timetracker:${{ github.sha }}
+      
+      - name: Save image
+        run: docker save timetracker:latest | gzip > timetracker.tar.gz
+      
+      - name: Deploy to server
+        uses: appleboy/scp-action@master
+        with:
+          host: ${{ secrets.SERVER_HOST }}
+          username: ${{ secrets.SERVER_USER }}
+          key: ${{ secrets.SERVER_SSH_KEY }}
+          source: "timetracker.tar.gz,docker-compose.yml"
+          target: "/opt/timetracker"
+      
+      - name: Load and restart containers
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.SERVER_HOST }}
+          username: ${{ secrets.SERVER_USER }}
+          key: ${{ secrets.SERVER_SSH_KEY }}
+          script: |
+            cd /opt/timetracker
+            docker load < timetracker.tar.gz
+            docker-compose down
+            docker-compose up -d
+            docker system prune -f
+            rm timetracker.tar.gz