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Connect to a private npm registry in the docker

March 4, 2021

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To build the docker image:
To run a dev server from the container:
To run tests of the image in a container:
To copy the dist out of the container and into your local file system:

yml

# Use the cypress base image so that e2e tests can be
# run from this image.
FROM cypress/base

ARG NPM_AUTH_TOKEN

# Set up connection to private npm
WORKDIR /usr/src/docker
RUN if [ -z "$NPM_AUTH_TOKEN" ]; then echo "NPM_AUTH_TOKEN build arg is required."; exit 1; else : ; fi
RUN echo 'registry=https://private-npm.com' > "$HOME/.npmrc"
RUN echo '//private-npm.com/:_authToken=${NPM_AUTH_TOKEN}' >> "$HOME/.npmrc"
RUN echo 'always-auth=true' >> "$HOME/.npmrc"

# Copy application code and build the app for deploy
COPY . .
RUN yarn
RUN yarn build:ci

To build the docker image:

docker build -t sensorup/docker --build-arg NPM_AUTH_TOKEN='<NPM_AUTH_TOKEN>' .

You can also find the NPM_AUTH_TOKEN from .npmrc after you successfully log in to the private-npm. Don't forget to type the end dot .

To run a dev server from the container:

docker run --rm -t -p 8080:8080 \
       lkcozy/docker \
       yarn dev

To run tests of the image in a container:

#
# Mount local folders to inspect the screenshots/videos
# that are taken as part of the Cypress Tests
#
# ~/tmp/videos      <<< videos of test failures
# ~/tmp/screenshots <<< screenshots of test failures
#
docker run --rm -t \
           -v ~/tmp/videos:/usr/src/docker/tests/e2e/videos  \
           -v ~/tmp/screenshots:/usr/src/docker/tests/e2e/screenshots \
           lkcozy/docker \
           yarn test

To copy the dist out of the container and into your local file system:

docker run --name temp-docker sensorup/docker /bin/true && \
docker cp temp-docker:/usr/src/docker/dist /local-path-to-dist && \
docker rm temp-docker

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