[GitHub] [airflow] stromal commented on issue #26881: Add example of dockerfile with creating new virtualenv

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

stromal commented on issue #26881:
URL: https://github.com/apache/airflow/issues/26881#issuecomment-1283832944

   @HengKevin
   
   1.) I would advise to add this line to the base docker-compose.yml file
   ```
   AIRFLOW__CORE__ENABLE_XCOM_PICKLING: 'true'
   ```
   
   2.) this is good Dockerfile example
   
   ```
   FROM apache/airflow:2.4.1-python3.8
   
   # ExternalPythonOperator
   # Compulsory to switch parameter to use your own venve via ExternalPythonOperator
   ENV PIP_USER=false
   
   #python venv setup that you have created locally
   RUN python3 -m venv /opt/airflow/venv1
   
   # Install dependencies:
   COPY airflow/requirements.txt .
   # copy over folder that containes a my own local pip package
   COPY airflow/my_own_pip_package_folder /opt/airflow/my_own_pip_package_folder
   # copy over ahtever file
   COPY my_file.py /opt/airflow/my_file.py
   
   # install packages in my own docker virtual environemnt
   RUN /opt/airflow/venv1/bin/pip install -r requirements.txt
   RUN /opt/airflow/venv1/bin/pip install /opt/airflow/my_own_pip_package_folder
   RUN /opt/airflow/venv1/bin/pip install 'apache-airflow==2.4.1' --constraint "https://raw.githubusercontent.com/apache/airflow/constraints-2.4.1/constraints-3.8.txt"
   
   ```


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