Add startup script support

jessefrn1 commented 5 months ago

Issue #, if available: https://github.com/aws/amazon-mwaa-docker-images/issues/12

Description of changes: Startup script support

Testing done:

Confirm user-provided script is being executed.
Ensure start-up script times out after 5 mins
User-defined environment variables should persist in the Airflow containers
MWAA_AIRFLOW_COMPONENT is populated
Confirm reserved variables cannot be modified

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mayushko26 commented 5 months ago

For this, and future PR's, we should hold a high standard when describing the change, in particular the testing that has been done. This will give reviewers an impression of the cases that were considered and tested, otherwise we are heavily on visually reading the code.

jessefrn1 commented 5 months ago

Added information in the description for the testing that was done @mayushko26

aws / amazon-mwaa-docker-images

Add startup script support #64