Dockerfile.server

# ============================================
# Protocol Guide - Server Dockerfile
# Multi-stage build: dev (tsx watch) + production (esbuild bundle)
# ============================================

# --- Base: Node 20 + pnpm ---
FROM node:20-alpine AS base
RUN corepack enable && corepack prepare pnpm@9.12.0 --activate
WORKDIR /app

# --- Dependencies: install all deps (cached layer) ---
FROM base AS deps
COPY package.json pnpm-lock.yaml .npmrc* ./
RUN pnpm install --frozen-lockfile

# --- Dev: tsx watch for hot reload ---
FROM deps AS dev
COPY . .
EXPOSE 3001
CMD ["pnpm", "dev:server"]

# --- Build: esbuild server bundle ---
FROM deps AS build
COPY . .
RUN pnpm build

# --- Production: minimal runtime ---
FROM base AS production
ENV NODE_ENV=production

# Install production dependencies only
COPY package.json pnpm-lock.yaml .npmrc* ./
RUN pnpm install --frozen-lockfile --prod

# Copy built server bundle
COPY --from=build /app/dist ./dist

# Copy drizzle migrations (needed at runtime for db:push)
COPY drizzle ./drizzle

# Copy shared constants/types (imported by server at runtime via path aliases)
COPY shared ./shared

EXPOSE 3001

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3001/api/live || exit 1

CMD ["node", "dist/index.js"]