add CI/CD workflows, production docker-compose, and update dev compose with Gitea registry and monitoring improvements

.gitea/workflows/cd.yml

@@ -0,0 +1,49 @@
+name: CD
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: [self-hosted, linux, docker]
+    environment: production
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Gitea Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.allucanget.biz
+          username: ${{ secrets.GITEA_USERNAME }}
+          password: ${{ secrets.GITEA_TOKEN }}
+
+      - name: Pull latest images
+        run: |
+          docker pull git.allucanget.biz/zwitschi/linearvoid/playout:latest || true
+          docker pull git.allucanget.biz/zwitschi/linearvoid/chat:latest || true
+          docker pull git.allucanget.biz/zwitschi/linearvoid/frontend:latest || true
+          docker pull git.allucanget.biz/zwitschi/linearvoid/nginx:latest || true
+
+      - name: Deploy with docker-compose
+        run: |
+          docker compose -f docker-compose.prod.yml pull
+          docker compose -f docker-compose.prod.yml up -d --remove-orphans
+
+      - name: Health check
+        run: |
+          sleep 10
+          curl -f http://localhost:8080/health || exit 1
+          curl -f http://localhost:3000/health || exit 1
+          curl -f http://localhost:8081/health || exit 1
+
+      - name: Cleanup old images
+        run: |
+          docker image prune -f --filter "until=24h"