[GitHub] [airflow] potiuk edited a comment on issue #15493: AIRFLOW_CONSTRAINTS_REFERENCE does not work properly while building the Docker image

[GitBox <gi...@apache.org>]

potiuk edited a comment on issue #15493:
URL: https://github.com/apache/airflow/issues/15493#issuecomment-825191558


   Yeah. It looks like  cherry-picking bug. We have now different types of constraints and default value of the build-arg (AIRFLOW_CONSTRAINTS) was wrongly overridden to `constraints-2.0` (where it was supposed to be `constraints`)  while cherry-picking. This rename was needed in another place but not here.
   
   I will fix it shortly. In the meantime, you can simplify your build command a lot now.
   The build parameters were simplified for Docker build, and can be now found in: https://airflow.apache.org/docs/docker-stack/index.html (the old place contains link to the new documentation). You can find examples of builds as well as reference to all build-args.
   
   You'd normally (if not the cherry-picking bug) be able to run the  build command like this:
   
   ```
   docker build --pull --build-arg AIRFLOW_CONSTRAINTS_REFERENCE="constraints-2.0.2" \
   --build-arg PYTHON_BASE_IMAGE="python:3.7-slim-buster" \
   --build-arg AIRFLOW_VERSION="2.0.2" -t airflow:2.0.2 .
   ```
   
   However if you still want to use stable (until I merge the PR) branch you can workaround the problem by adding proper value of the `AIRFLOW_CONSTRAINTS` parameter like this:
   
   ```
   docker build --pull --build-arg AIRFLOW_CONSTRAINTS_REFERENCE="constraints-2.0.2" \
   --build-arg PYTHON_BASE_IMAGE="python:3.7-slim-buster" \
   --build-arg AIRFLOW_VERSION="2.0.2" \
   --build-arg AIRFLOW_CONSTRAINTS="constraints" -t airflow:2.0.2 .
   ```
   


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