Dockerfile with multi-stage build for dev and production

Dockerfile with multi-stage build for production

FROM node:12-alpine as base

WORKDIR /src
COPY package.json package-lock.json /src/
COPY . /src
EXPOSE 8080

FROM base as production

ENV NODE_ENV=production
RUN npm install --production

CMD ["node", "index.js"]

FROM base as dev

ENV NODE_ENV=development
RUN npm config set unsafe-perm true && npm install -g nodemon
RUN npm install
CMD ["npm", "start"]

Run the following commands to build the dev and the production images:

docker build . -t api-dev --target=dev
docker build . -t api-prod --target=production