# Docker build → NPM publish (Node 20 + pnpm)

FROM node:20-alpine AS build
WORKDIR /app
RUN corepack enable

# Cache devenv
COPY package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile

# Build
COPY . .
ENV NODE_ENV=production
RUN pnpm run build

# Enxugar node_modules para produção
FROM node:20-alpine AS prod-deps
WORKDIR /app
COPY package.json pnpm-lock.yaml ./
RUN corepack enable && pnpm install --frozen-lockfile --prod --ignore-scripts

# Stage final — mínimo
FROM node:20-alpine
WORKDIR /app
ENV NODE_ENV=production
COPY --from=prod-deps /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY package.json ./
EXPOSE 3000
CMD ["node", "dist/index.js"]