FROM node:20-alpine AS deps
RUN corepack enable && corepack prepare pnpm@10.0.0 --activate
WORKDIR /app
COPY package.json pnpm-lock.yaml* ./
RUN pnpm install --frozen-lockfile

FROM node:20-alpine AS build
RUN corepack enable && corepack prepare pnpm@10.0.0 --activate
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN pnpm build && pnpm prune --prod

FROM node:20-alpine AS runtime
ENV NODE_ENV=production
WORKDIR /app
COPY --from=build /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY --from=build /app/package.json ./package.json
EXPOSE 3000
USER node
CMD ["node", "dist/server.js"]