Fix deploy: use SSH to run compose on host directly

.gitea/workflows/deploy.yml

@@ -25,5 +25,8 @@ jobs:
 
       - name: Deploy
         run: |
-          docker compose -f docker-compose.prod.yml up -d
-          docker image prune -f
+          echo "${{ secrets.SSH_DEPLOY_KEY }}" > /tmp/deploy_key
+          chmod 600 /tmp/deploy_key
+          ssh -o StrictHostKeyChecking=no -i /tmp/deploy_key root@167.86.74.105 \
+            "docker compose -f /opt/rustycms/docker-compose.yml up -d && docker image prune -f"
+          rm /tmp/deploy_key