How do I set up caching for pip?
In order for the Docker build cache to cache packages installed via pip, it’s necessary to add the requirements.txt file to the image, and run
pip install, before adding the rest of the repo (via
ADD .). Here’s an example of how that might look in a Dockerfile:
1 2 3 4 5 6 7 8 9 10 11 12 FROM quay.io/aptible/webapp-essential # ... # Add requirements.txt before rest of repo, for Docker caching purposes # See http://ilikestuffblog.com/2014/01/06/ ADD requirements.txt /app/ WORKDIR /app RUN pip install -r requirements.txt ADD . /app # Additional RUN commands go here...