FROM node:22-alpine AS build-stage WORKDIR /app # Copy dependency files COPY package.json ./ # Install dependencies RUN yarn install --frozen-lockfile # Copy source and build COPY . . RUN yarn build # ---- Production Stage ---- FROM node:22-alpine AS production-stage WORKDIR /app # Copy only necessary files COPY --from=build-stage /app /app # Set environment ENV NODE_ENV=production EXPOSE 3000 # Run with yarn CMD ["yarn", "start"]