Dockerfile

# Multi-stage build for TypeScript MCP Server
FROM node:22.16.0-alpine AS base

# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init

# Create app directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
FROM base AS deps
RUN npm ci --only=production && npm cache clean --force

# Development dependencies for building
FROM base AS build-deps
RUN npm ci

# Build stage
FROM build-deps AS build
COPY . .
RUN npm run build

# Production stage
FROM base AS production

# Copy production dependencies
COPY --from=deps /app/node_modules ./node_modules

# Copy built application
COPY --from=build /app/dist ./dist
COPY --from=build /app/src ./src
COPY --from=build /app/package*.json ./
COPY --from=build /app/tsconfig.json ./

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001 -G nodejs

# Change ownership of the app directory
RUN chown -R nodejs:nodejs /app
USER nodejs

# Environment variables
ENV NODE_ENV=production

# Use dumb-init to handle signals properly
ENTRYPOINT ["dumb-init", "--"]

# Default command - stdio mode for MCP clients
CMD ["npm", "start"]