# --- Backend: ElysiaJS on Bun ---
FROM oven/bun:1.1-alpine AS deps
WORKDIR /app
COPY package.json bun.lock* ./
RUN bun install --production --frozen-lockfile || bun install --production

FROM oven/bun:1.1-alpine AS runtime
WORKDIR /app
ENV NODE_ENV=production
ENV PORT=3000
COPY --from=deps /app/node_modules ./node_modules
COPY . .
EXPOSE 3000
# Lightweight healthcheck hitting the Elysia /api/health route.
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget -qO- http://127.0.0.1:3000/api/health || exit 1
CMD ["bun", "run", "src/index.ts"]