FROM oven/bun:1 AS frontend-build
WORKDIR /app/frontend
COPY frontend/package.json frontend/bun.lock ./
RUN bun install --frozen-lockfile
COPY frontend/ ./
RUN bun run build

FROM oven/bun:1
WORKDIR /app

COPY backend/package.json backend/bun.lock ./
RUN bun install --production

COPY backend/src/ ./src/

COPY --from=frontend-build /app/frontend/dist /app/public

ENV PORT=3001
EXPOSE 3001

CMD ["bun", "run", "src/index.ts"]