Dockerfile•3.28 kB
# syntax=docker/dockerfile:1.7
# Ultra-optimized Dockerfile - minimal runtime dependencies (no n8n packages)
# Stage 1: Builder (TypeScript compilation only)
FROM node:22-alpine AS builder
WORKDIR /app
# Copy tsconfig files for TypeScript compilation
COPY tsconfig*.json ./
# Create minimal package.json and install ONLY build dependencies
# Note: openai and zod are needed for TypeScript compilation of template metadata modules
RUN --mount=type=cache,target=/root/.npm \
echo '{}' > package.json && \
npm install --no-save typescript@^5.8.3 @types/node@^22.15.30 @types/express@^5.0.3 \
@modelcontextprotocol/sdk@^1.12.1 dotenv@^16.5.0 express@^5.1.0 axios@^1.10.0 \
n8n-workflow@^1.96.0 uuid@^11.0.5 @types/uuid@^10.0.0 \
openai@^4.77.0 zod@^3.24.1 lru-cache@^11.2.1 @supabase/supabase-js@^2.57.4
# Copy source and build
COPY src ./src
# Note: src/n8n contains TypeScript types needed for compilation
# These will be compiled but not included in runtime
RUN npx tsc -p tsconfig.build.json
# Stage 2: Runtime (minimal dependencies)
FROM node:22-alpine AS runtime
WORKDIR /app
# Install only essential runtime tools
RUN apk add --no-cache curl su-exec && \
rm -rf /var/cache/apk/*
# Copy runtime-only package.json
COPY package.runtime.json package.json
# Install runtime dependencies with cache mount
RUN --mount=type=cache,target=/root/.npm \
npm install --production --no-audit --no-fund
# Copy built application
COPY --from=builder /app/dist ./dist
# Copy pre-built database and required files
# Cache bust: 2025-07-06-trigger-fix-v3 - includes is_trigger=true for webhook,cron,interval,emailReadImap
COPY data/nodes.db ./data/
COPY src/database/schema-optimized.sql ./src/database/
COPY .env.example ./
# Copy entrypoint script, config parser, and n8n-mcp command
COPY docker/docker-entrypoint.sh /usr/local/bin/
COPY docker/parse-config.js /app/docker/
COPY docker/n8n-mcp /usr/local/bin/
RUN chmod +x /usr/local/bin/docker-entrypoint.sh /usr/local/bin/n8n-mcp
# Add container labels
LABEL org.opencontainers.image.source="https://github.com/czlonkowski/n8n-mcp"
LABEL org.opencontainers.image.description="n8n MCP Server - Runtime Only"
LABEL org.opencontainers.image.licenses="MIT"
LABEL org.opencontainers.image.title="n8n-mcp"
# Create non-root user with unpredictable UID/GID
# Using a hash of the build time to generate unpredictable IDs
RUN BUILD_HASH=$(date +%s | sha256sum | head -c 8) && \
UID=$((10000 + 0x${BUILD_HASH} % 50000)) && \
GID=$((10000 + 0x${BUILD_HASH} % 50000)) && \
addgroup -g ${GID} -S nodejs && \
adduser -S nodejs -u ${UID} -G nodejs && \
chown -R nodejs:nodejs /app
# Switch to non-root user
USER nodejs
# Set Docker environment flag
ENV IS_DOCKER=true
# Telemetry: Anonymous usage statistics are ENABLED by default
# To opt-out, uncomment the following line:
# ENV N8N_MCP_TELEMETRY_DISABLED=true
# Expose HTTP port
EXPOSE 3000
# Set stop signal to SIGTERM (default, but explicit is better)
STOPSIGNAL SIGTERM
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD curl -f http://127.0.0.1:3000/health || exit 1
# Optimized entrypoint
ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
CMD ["node", "dist/mcp/index.js"]
