Node.js Dockerfile for perfomance

Dockerfile

FROM node:22.16-alpine AS builder
WORKDIR /app
COPY package.json yarn.lock ./
RUN yarn install --frozen-lockfile
COPY . .
RUN yarn build
RUN rm -rf node_modules && yarn install --production --frozen-lockfile

FROM alpine AS runtime
WORKDIR /app
RUN apk add --no-cache nodejs-lts
COPY --from-builder /app/package.json ./
COPY --from-builder /app/node_modules ./node_ modules
COPY --from-builder /app/dist ./dist
EXPOSE 3000
CMD ["node", "dist/main"]