Fast Mermaid Validator MCP

# Best Single-Stage Dockerfile # Avoids multi-stage cross-platform execution issues # Based on working v1.0.1-amd64 approach FROM node:20-alpine # Single RUN for user creation (minimize QEMU calls) RUN addgroup -g 1001 nodejs && \ adduser -u 1001 -G nodejs -s /bin/sh -D nodejs # Set working directory WORKDIR /app # Copy package files COPY --chown=nodejs:nodejs package*.json ./ # Install dependencies (skip problematic packages) RUN npm ci --omit=dev --no-audit --no-fund --ignore-scripts && \ npm cache clean --force && \ rm -rf ~/.npm # Copy all application files with correct structure COPY --chown=nodejs:nodejs src/ ./src/ COPY --chown=nodejs:nodejs scripts/ ./scripts/ # Verify file structure is correct RUN ls -la /app/src/server.js && echo "✅ server.js found in correct location" # Final setup in single RUN (minimize cross-platform issues) RUN mkdir -p tmp logs && \ chown -R nodejs:nodejs /app && \ find /app -type f -name "*.md" -delete && \ find /app -type f -exec chmod 644 {} \; && \ find /app -type d -exec chmod 755 {} \; && \ chmod 755 /app/src/server.js # Switch to non-root user USER nodejs # Environment ENV NODE_ENV=production \ PORT=8000 \ LOG_LEVEL=info # Health check HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \ CMD node -e "require('http').get('http://localhost:8000/api/v1/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })" # Expose port and start EXPOSE 8000 CMD ["node", "src/server.js"] # Labels LABEL name="mermaid-validator-mcp" \ version="1.0.17" \ description="Mermaid Validator MCP - LLM Integration Ready"