Excalidraw MCP Server

# Dockerfile for MCP Excalidraw Server # This builds the MCP server only (core product for CI/CD and GHCR) # The canvas server is optional and runs separately # Stage 1: Build backend (TypeScript compilation) FROM node:18-slim AS builder WORKDIR /app # Copy package files COPY package*.json ./ # Install all dependencies (including TypeScript compiler) RUN npm ci && npm cache clean --force # Copy backend source COPY src ./src COPY tsconfig.json ./ # Compile TypeScript RUN npm run build:server # Stage 2: Production MCP Server FROM node:18-slim AS production # Create non-root user for security RUN addgroup --system --gid 1001 nodejs && \ adduser --system --uid 1001 --gid 1001 nodejs WORKDIR /app # Copy package files COPY package*.json ./ # Install only production dependencies RUN npm ci --only=production && npm cache clean --force # Copy compiled backend (MCP server only) COPY --from=builder /app/dist ./dist # Set ownership to nodejs user RUN chown -R nodejs:nodejs /app # Switch to non-root user USER nodejs # Set environment variables with defaults ENV NODE_ENV=production ENV EXPRESS_SERVER_URL=http://localhost:3000 ENV ENABLE_CANVAS_SYNC=true # Run MCP server (stdin/stdout protocol) CMD ["node", "dist/index.js"] # Labels for metadata LABEL org.opencontainers.image.source="https://github.com/yctimlin/mcp_excalidraw" LABEL org.opencontainers.image.description="MCP Excalidraw Server - Model Context Protocol for AI agents" LABEL org.opencontainers.image.licenses="MIT"