# syntax=docker/dockerfile:1
# --- build stage: install deps + produce dist/server.js ---
FROM oven/bun:1 AS build
WORKDIR /app
COPY package.json bun.lock* bun.lockb* ./
RUN bun install
COPY . .
RUN bun run build

# --- runtime stage: slim image with only the built server + migrations ---
FROM oven/bun:1-slim AS runtime
WORKDIR /app
ENV NODE_ENV=production
ENV PORT=3000
COPY --from=build /app/dist ./dist
COPY --from=build /app/app/db/migrations ./app/db/migrations
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=3s --retries=3 \
  CMD bun -e "fetch('http://localhost:'+(process.env.PORT||3000)+'/healthz').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"
CMD ["bun", "dist/server.js"]