6e52afd5af
- Added proper SIGTERM/SIGINT signal handlers to stdio-wrapper.ts - Removed problematic trap commands from docker-entrypoint.sh - Added STOPSIGNAL directive to Dockerfile for explicit signal handling - Implemented graceful shutdown in MCP server with database cleanup - Added stdin close detection for proper cleanup when Claude Desktop closes the pipe - Containers now properly exit with the --rm flag, preventing accumulation - Added --init flag to all Docker configuration examples - Updated documentation with container lifecycle management best practices - Bumped version to 2.7.20 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
82 lines
2.5 KiB
Docker
82 lines
2.5 KiB
Docker
# syntax=docker/dockerfile:1.7
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# Ultra-optimized Dockerfile - minimal runtime dependencies (no n8n packages)
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# Stage 1: Builder (TypeScript compilation only)
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FROM node:20-alpine AS builder
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WORKDIR /app
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# Copy tsconfig for TypeScript compilation
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COPY tsconfig.json ./
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# Create minimal package.json and install ONLY build dependencies
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RUN --mount=type=cache,target=/root/.npm \
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echo '{}' > package.json && \
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npm install --no-save typescript@^5.8.3 @types/node@^22.15.30 @types/express@^5.0.3 \
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@modelcontextprotocol/sdk@^1.12.1 dotenv@^16.5.0 express@^5.1.0 axios@^1.10.0 \
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n8n-workflow@^1.96.0 uuid@^11.0.5 @types/uuid@^10.0.0
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# Copy source and build
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COPY src ./src
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# Note: src/n8n contains TypeScript types needed for compilation
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# These will be compiled but not included in runtime
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RUN npx tsc
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# Stage 2: Runtime (minimal dependencies)
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FROM node:20-alpine AS runtime
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WORKDIR /app
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# Install only essential runtime tools
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RUN apk add --no-cache curl && \
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rm -rf /var/cache/apk/*
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# Copy runtime-only package.json
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COPY package.runtime.json package.json
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# Install runtime dependencies with cache mount
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RUN --mount=type=cache,target=/root/.npm \
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npm install --production --no-audit --no-fund
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# Copy built application
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COPY --from=builder /app/dist ./dist
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# Copy pre-built database and required files
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# Cache bust: 2025-07-06-trigger-fix-v3 - includes is_trigger=true for webhook,cron,interval,emailReadImap
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COPY data/nodes.db ./data/
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COPY src/database/schema-optimized.sql ./src/database/
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COPY .env.example ./
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# Copy entrypoint script
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COPY docker/docker-entrypoint.sh /usr/local/bin/
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RUN chmod +x /usr/local/bin/docker-entrypoint.sh
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# Add container labels
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LABEL org.opencontainers.image.source="https://github.com/czlonkowski/n8n-mcp"
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LABEL org.opencontainers.image.description="n8n MCP Server - Runtime Only"
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LABEL org.opencontainers.image.licenses="MIT"
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LABEL org.opencontainers.image.title="n8n-mcp"
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# Create non-root user
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RUN addgroup -g 1001 -S nodejs && \
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adduser -S nodejs -u 1001 && \
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chown -R nodejs:nodejs /app
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# Switch to non-root user
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USER nodejs
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# Set Docker environment flag
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ENV IS_DOCKER=true
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# Expose HTTP port
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EXPOSE 3000
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# Set stop signal to SIGTERM (default, but explicit is better)
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STOPSIGNAL SIGTERM
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# Health check
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD curl -f http://127.0.0.1:3000/health || exit 1
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# Optimized entrypoint
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ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
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CMD ["node", "dist/mcp/index.js"]
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