Today we’ll see how to install Azure-cli in Dockerfile when the base image is Alpine.
As you know azure cli allows you to control azure cloud aspects from command line. This may be useful for provisioning azure resources in ci/cd pipelines or automations, for instance. If the pipelines run inside Jenkins agents (e.g. Docker in Docker Jenkins agent, Podman Jenkins agent) which are containerized, you may need to package azure-cli inside them. Let’s see how to install azure-cli in Dockerfile.
Azure-cli installation in Dockerfile
You probably found it challenging to install Azure-cli as part of Dockerfile where the base image is Alpine.
Use below command sequence to achieve that:
RUN apk add --no-cache --update python3 py3-pip RUN apk add --no-cache --update --virtual=build gcc musl-dev python3-dev libffi-dev openssl-dev cargo make && pip3 install --no-cache-dir --prefer-binary azure-cli && apk del virtual
RUN apk add --no-cache --update python3 py3-pip installed
pip. They are needed because azure-cli is basically Python package.
RUN installs os packages required for successful
azure-cli installation. Then,
See also relevant discussion on GitHub about installation of azure-cli in alpine.
Why apk add –virtual?
Note that these os packages are installed in a
virtual package which is removed after
azure-cli installation using
apk del virtual. This trick reduces the final built image size.
Note also that Azure CLI is a Python package. That’s why it requires Python and Pip to run. Hence these packages are not removed.
See this great answer on stack overflow about
apk add --virtual. Note that
apk add --no-cache reduces image size as well.
That’s it about Azure-cli installation in Dockerfile when Alpine is a base image.
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