# MCP Database Server
# Multi-stage build for optimal image size
#
# If using Chinese mirrors, you can configure Docker daemon with:
# {
#   "registry-mirrors": ["https://mirror.ccs.tencentyun.com"]
# }

# Stage 1: Build
FROM node:20-alpine AS builder

WORKDIR /app

# Use Chinese npm mirror (optional, uncomment if needed)
# RUN npm config set registry https://registry.npmmirror.com

# Install build dependencies
RUN apk add --no-cache python3 make g++

# Copy package files
COPY package*.json ./

# Install all dependencies (including devDependencies for build)
RUN npm ci

# Copy source code
COPY tsconfig.json ./
COPY src/ ./src/
COPY scripts/ ./scripts/

# Build TypeScript
RUN npm run build

# Prune devDependencies
RUN npm prune --production

# Stage 2: Runtime
FROM node:20-alpine AS runtime

WORKDIR /app

# Install runtime dependencies only
RUN apk add --no-cache dumb-init wget

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

# Copy built artifacts
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./

# Copy config directory structure
COPY config/ ./config/

# Create data directory for logs
RUN mkdir -p /app/data && chown -R mcp:mcp /app

# Switch to non-root user
USER mcp

# Environment variables with defaults
ENV NODE_ENV=production
ENV MCP_LOG_LEVEL=info
ENV MCP_LISTEN=0.0.0.0:7700

# Expose WebSocket port
EXPOSE 7700

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:7700/health || exit 1

# Use dumb-init as PID 1 for proper signal handling
ENTRYPOINT ["dumb-init", "--"]

# Start server
CMD ["node", "dist/src/server.js"]