Multi Stage Docker Builds for Node.js

.dockerignore

node_modules

.gitignore

.yarn_mirror

.yarnrc

yarn-offline-mirror "./.yarn_mirror"
yarn-offline-mirror-pruning "true"

deploy.sh

#!/bin/bash
set -xe

IMG=...

# yarn build

docker build -t $IMG --network none .

docker push $IMG

Dockerfile

FROM banian/node
ENV NODE_ENV=production
ADD . /usr/src/app
RUN yarn install --prod --offline && \ 
    rm -rf .yarn_mirror && \
    mv node_modules /tmp

FROM banian/node
ENV NODE_ENV=production
COPY --from=0 /tmp/node_modules /usr/src/app/node_modules
COPY --from=0 /usr/src/app /usr/src/app