Dockerfile

# Multi-stage Docker build for AT Protocol MCP Server
FROM node:20-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine AS production

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

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

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install only production dependencies
RUN npm ci --only=production && npm cache clean --force

# Copy built application from builder stage
COPY --from=builder /app/dist ./dist

# Copy configuration files
COPY --from=builder /app/config ./config

# Create necessary directories
RUN mkdir -p /app/logs /app/data && \
    chown -R atproto:nodejs /app

# Switch to non-root user
USER atproto

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD node dist/health-check.js || exit 1

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

# Start the application
CMD ["node", "dist/cli.js"]