potiuk commented on a change in pull request #18915:
URL: https://github.com/apache/airflow/pull/18915#discussion_r727480731
##########
File path: docs/docker-stack/entrypoint.rst
##########
@@ -194,6 +194,27 @@ If there are any other arguments - they are simply passed
to the "airflow" comma
optional arguments:
-h, --help show this help message and exit
+Add your own entrypoint
+-----------------------
+
+Airflow image executes a lot of steps in the entrypoint, but it does not do
everything that you might
+want to run - and you might want to provide your own entrypoint which does any
custom operations.
+Such ``custom`` entryopoint should be run after the main entrypoint. You can
even execute
+the usual components of airflow - scheduler, webserver, worker, triggerer in
such script.
+The entrypoint can be addedd to the image by extending it:
+
+.. code-block:: Dockerfile
+
+ FROM airflow::2.3.0.dev0
+ COPY my_entrypoint.sh /
+
+
+And then you can run this script by running the command:
+
+.. code-block:: bash
+
+ docker run -it apache/airflow:2.3.0.dev0-python3.6 bash -c
"/my_entrypoint.sh"
+
Review comment:
No need. We are using `dumb-init` which will propagate signals to all
children by default (see the next chapter).
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