# Multi-stage build for production
FROM node:20-alpine AS builder

WORKDIR /app

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

# Copy package files
COPY package.json pnpm-lock.yaml ./

# Install pnpm
RUN npm install -g pnpm@9

# Install dependencies
RUN pnpm install --frozen-lockfile

# Copy source
COPY tsconfig.json ./
COPY src ./src
COPY skills ./skills

# Build
RUN pnpm build

# Production image
FROM node:20-alpine

WORKDIR /app

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

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

# Non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

USER nodejs

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:${MCP_PORT:-3100}/health || exit 1

EXPOSE 3100

ENTRYPOINT ["/sbin/dumb-init", "--"]
CMD ["node", "dist/index.js"]