ci: re-add backend staging deploy workflow

.gitea/workflows/deploy.yml

@@ -0,0 +1,45 @@
+name: Deploy Backend to Staging
+
+on:
+  push:
+    branches: [main]
+
+concurrency:
+  group: deploy-backend
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    name: Deploy backend to staging
+    runs-on: self-hosted
+    steps:
+      - name: Pull latest code
+        run: |
+          cd /opt/encoach/encoach_backend_new_v2
+          git fetch origin
+          git reset --hard origin/main
+          echo "Deployed: $(git log -1 --oneline)"
+
+      - name: Rebuild and restart containers
+        run: |
+          cd /opt/encoach/encoach_backend_new_v2
+          docker compose \
+            -f docker-compose.yml \
+            -f /opt/encoach/overrides/encoach.override.yml \
+            up -d --build --remove-orphans
+
+      - name: Smoke test
+        run: |
+          echo "Waiting 60s for Odoo to become healthy..."
+          sleep 60
+          STATUS=$(curl -s -o /dev/null -w "%{http_code}" --max-time 30 http://localhost:8069/api/health)
+          if [ "$STATUS" != "200" ]; then
+            echo "ERROR: /api/health returned $STATUS"
+            exit 1
+          fi
+          FE=$(curl -s -o /dev/null -w "%{http_code}" --max-time 10 http://localhost:3000/)
+          if [ "$FE" != "200" ]; then
+            echo "ERROR: Frontend returned $FE"
+            exit 1
+          fi
+          echo "All OK — Odoo=$STATUS Frontend=$FE"