docker-compose.yml

services:
  builder:
    image: node:18-alpine
    container_name: n8n-upstage-builder
    working_dir: /workspace
    volumes:
      - .:/workspace
    command: >
      sh -c "
        # Skip builder in production mode
        if [ \"$${NODE_MODE:-dev}\" = \"prod\" ]; then
          echo '[Builder] Production mode detected, skipping build.'
          exit 0
        fi
        
        build() {
          echo '[Builder] Building...'
          npm ci
          npm run build
          echo '[Builder] Build completed successfully!'
        }
        
        save_hash() {
          if command -v md5sum >/dev/null 2>&1; then
            HASH=$$(find src package.json tsconfig.json -type f 2>/dev/null | sort | xargs md5sum 2>/dev/null | md5sum 2>/dev/null | cut -d' ' -f1 2>/dev/null || echo '')
            if [ -n \"$$HASH\" ]; then
              echo \"$$HASH\" > dist/.build-hash 2>/dev/null || true
            fi
          fi
        }
        
        # Check if dist/index.js exists (required file)
        if [ ! -f dist/index.js ]; then
          build
          save_hash
          exit 0
        fi
        
        # Compare source file hash with last build hash
        NEEDS_REBUILD=false
        if command -v md5sum >/dev/null 2>&1 && [ -f dist/.build-hash ]; then
          CURRENT_HASH=$$(find src package.json tsconfig.json -type f 2>/dev/null | sort | xargs md5sum 2>/dev/null | md5sum 2>/dev/null | cut -d' ' -f1 2>/dev/null || echo '')
          LAST_HASH=$$(cat dist/.build-hash 2>/dev/null || echo '')
          if [ -n \"$$CURRENT_HASH\" ] && [ \"$$CURRENT_HASH\" != \"$$LAST_HASH\" ]; then
            NEEDS_REBUILD=true
          fi
        else
          # Fallback: check if package.json or tsconfig.json is newer than dist/index.js
          if [ package.json -nt dist/index.js ] 2>/dev/null || [ tsconfig.json -nt dist/index.js ] 2>/dev/null; then
            NEEDS_REBUILD=true
          fi
        fi
        
        if [ \"$$NEEDS_REBUILD\" = \"true\" ]; then
          build
          save_hash
        else
          echo '[Builder] Dist files are up to date, skipping build.'
        fi
      "
    restart: "no"
    environment:
      - NODE_MODE=${NODE_MODE:-dev}

  n8n:
    image: n8nio/n8n:latest
    container_name: n8n-upstage
    # Builder dependency: builder will skip in prod mode automatically
    depends_on:
      builder:
        condition: service_completed_successfully
    ports:
      - "5678:5678"
    volumes:
      - ./n8n_data:/home/node/.n8n
      # Local development volumes (only used when NODE_MODE=dev)
      - ./dist:/tmp/n8n-nodes-upstage/dist:ro
      - ./package.json:/tmp/n8n-nodes-upstage/package.json:ro
      # Pre-built node_modules for dev mode (avoids npm install issues with peer deps)
      - ./node_modules:/tmp/n8n-nodes-upstage/node_modules:ro
    environment:
      - N8N_COMMUNITY_NODES_ENABLED=true
      - N8N_CUSTOM_EXTENSIONS=/home/node/.n8n/custom
      # Mode: 'dev' for local development, 'prod' for npm package
      - NODE_MODE=${NODE_MODE:-dev}
      # Performance and deprecation fixes
      - DB_SQLITE_POOL_SIZE=10
      - N8N_RUNNERS_ENABLED=true
      # Security settings (more secure defaults)
      - N8N_BLOCK_ENV_ACCESS_IN_NODE=true
      - N8N_GIT_NODE_DISABLE_BARE_REPOS=true
      # Fix file permissions warning
      - N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=true
    entrypoint: >
      sh -c "
        if [ \"$$NODE_MODE\" = \"prod\" ]; then
          echo '[upstage] Production mode: Installing latest n8n-nodes-upstage from npm...'
          mkdir -p /home/node/.n8n/custom
          cd /home/node/.n8n/custom
          # Always install the latest version from npm registry
          if [ ! -f package.json ]; then
            npm init -y
          fi
          # Remove existing installation to ensure fresh install of latest version
          if [ -d node_modules/n8n-nodes-upstage ]; then
            echo '[upstage] Removing existing installation to ensure latest version...'
            rm -rf node_modules/n8n-nodes-upstage
          fi
          # Install latest version explicitly
          echo '[upstage] Installing latest n8n-nodes-upstage from npm registry...'
          npm install n8n-nodes-upstage@latest --legacy-peer-deps --save
          echo '[upstage] Latest n8n-nodes-upstage installed successfully!'
        else
          echo '[upstage] Development mode: Using local n8n-nodes-upstage...'
          if [ ! -f /home/node/.n8n/custom/package.json ] || [ /tmp/n8n-nodes-upstage/package.json -nt /home/node/.n8n/custom/package.json ] || [ \"$$(find /tmp/n8n-nodes-upstage/dist -type f -name '*.js' -newer /home/node/.n8n/custom/package.json 2>/dev/null | head -1)\" != \"\" ]; then
            echo '[upstage] Installing/Updating local n8n-nodes-upstage...'
            mkdir -p /home/node/.n8n/custom
            rm -rf /home/node/.n8n/custom/*
            # Copy dist and package.json
            cp -r /tmp/n8n-nodes-upstage/dist /home/node/.n8n/custom/
            cp /tmp/n8n-nodes-upstage/package.json /home/node/.n8n/custom/
            # Symlink pre-built node_modules from host (avoids npm install peer dep issues)
            ln -s /tmp/n8n-nodes-upstage/node_modules /home/node/.n8n/custom/node_modules
            echo '[upstage] Local n8n-nodes-upstage installed successfully!'
          else
            echo '[upstage] Local n8n-nodes-upstage is up to date, skipping reinstall.'
          fi
        fi
        exec n8n start
      "
    restart: unless-stopped