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Private Wheels

Install a private python package from a wheel file.

Problem: You have a python package you wish to install on your Docker image but the source code is not publicly available (e.g., the code is not yet ready to be shared but the docker build process is public).

Step 1: Build the wheel​

Build wheel for your package e.g.

python setup.py build --build-base . bdist_wheel -d . --universal

This will produce a wheel file , e.g. <my-package>-0.0.1-py2.py3-none-any.whl.

You can install this with

pip install <my-package>-0.0.1-py2.py3-none-any.whl

Step 2: Upload to Azure storage account​

A simple way to do this is via Azure Storage Explorer.

  • Upload the file to your (private!) storage account
  • Generate a SAS token and copy the url: it should be of the form:
https://<storage-account>.blob.core.windows.net/<container-name>/<path-on-storage/to/>/<my-package>-0.0.1-py2.py3-none-any.whl?<SAS-token>

Step 3: dockerfile​

We can use curl to download and pip to install the wheel. Don't forget to delete the wheel afterwards.

# dockerfile
FROM <container-registry>.azurecr.io/<image-name>:<tag>

RUN apt-get -y update; apt-get -y install curl
RUN mkdir -p /tmp/wheels
RUN  curl <url-with-sas-token> --output /tmp/wheels/<my-package>-0.0.1-py2.py3-none-any.whl
RUN pip install /tmp/wheels/<my-package>-0.0.1-py2.py3-none-any.whl
RUN rm -rf /tmp/wheels/
...

Notes:

  • apt-get needs to be given the -y flag
  • make sure the path curl writes to exists with mkdir -p /tmp/wheels
  • remember to delete the wheel file at the end