MCP Hello World

# Multi-stage Docker build for MCP Hello World server # Build stage FROM node:20-alpine AS builder # Set working directory WORKDIR /app # Install build dependencies RUN apk add --no-cache python3 make g++ # Copy package files COPY package*.json ./ COPY tsconfig.json ./ # Install dependencies RUN npm ci --only=production --ignore-scripts # Copy source code COPY src/ ./src/ # Build the application RUN npm run build # Production stage FROM node:20-alpine AS production # Create non-root user for security RUN addgroup -g 1001 -S nodejs && \ adduser -S mcp -u 1001 # Set working directory WORKDIR /app # Copy package.json for version info COPY --from=builder /app/package.json ./ # Copy built application COPY --from=builder /app/dist ./dist/ COPY --from=builder /app/node_modules ./node_modules/ # Set ownership to non-root user RUN chown -R mcp:nodejs /app USER mcp # Expose port EXPOSE 8080 # Set environment variables ENV NODE_ENV=production ENV PORT=8080 # Health check HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \ CMD node -e "fetch('http://localhost:8080/healthz').then(r => r.ok ? process.exit(0) : process.exit(1))" || exit 1 # Start the application CMD ["node", "dist/index.js"] # Labels for metadata LABEL \ org.opencontainers.image.title="MCP Hello World" \ org.opencontainers.image.description="A minimal MCP server that responds with Hello, World via Streamable HTTP" \ org.opencontainers.image.version="0.1.0" \ org.opencontainers.image.vendor="MCP Protocol" \ org.opencontainers.image.licenses="Apache-2.0" \ org.opencontainers.image.source="https://github.com/mcp-protocol/hello-world"