FROM node:20-alpine AS base

FROM base AS deps
WORKDIR /app
COPY package.json pnpm-lock.yaml* ./
RUN corepack enable pnpm && pnpm install --frozen-lockfile

FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN corepack enable pnpm && pnpm build

FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 appuser
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./
USER appuser
EXPOSE 4000
ENV PORT=4000
CMD ["node", "dist/index.js"]