FROM oven/bun:1-alpine AS base

WORKDIR /app

FROM base AS deps
COPY package.json package-lock.json* ./
RUN bun install --frozen-lockfile

FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN bun install --frozen-lockfile
RUN bun run build

FROM base AS runner
WORKDIR /app

ENV NODE_ENV production

RUN addgroup --system --gid 1001 bun
RUN adduser --system --uid 1001 bun

COPY --from=builder /app/package.json ./
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/build ./

USER bun

EXPOSE 3000

CMD ["bun", "run", "index.js"]