Dockerfile Multi-stage Nodejs

Dockerfile

FROM node:16 AS BUILDER
WORKDIR /app
COPY . .
RUN npm install --prod
RUN npm run build

FROM node:16-slim
ENV TZ=America/Cancun
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
WORKDIR /app
COPY --from=BUILDER /app .
EXPOSE 3000
CMD ["npm","run","serve"]