Add Dockerfile, docker-compose.yml and Gitea Actions workflow for CI/CD

.gitea/workflows/deploy.yml

@@ -0,0 +1,23 @@
+name: CI/CD Deployment
+
+on:
+  push:
+    branches:
+      - master
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy via SSH
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.DEBIAN_HOST }}
+          username: ${{ secrets.DEBIAN_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          port: 22
+          script: |
+            cd /opt/websitedummy
+            git pull origin master || git pull origin main
+            docker compose up -d --build