Add hot-reload to entrypoint

Author: webb-ben

docker/entrypoint.sh

@@ -2,8 +2,10 @@
 # =================================================================
 #
 # Authors: Just van den Broecke <[email protected]>
+#          Ben Webb <[email protected]>
 #
 # Copyright (c) 2019 Just van den Broecke
+# Copyright (c) 2024 Ben Webb
 #
 # Permission is hereby granted, free of charge, to any person
 # obtaining a copy of this software and associated documentation
@@ -102,8 +104,30 @@ case ${entry_cmd} in
 				--bind ${CONTAINER_HOST}:${CONTAINER_PORT} \
 				pygeoapi.flask_app:APP
 	  ;;
+
+	# Run pygeoapi server with hot reload
+	hot-reload)
+		# Lock all Python files (for gunicorn hot reload)
+		find . -type f -name "*.py" | xargs chmod 0444
+
+		# SCRIPT_NAME should not have value '/'
+		[[ "${SCRIPT_NAME}" = '/' ]] && export SCRIPT_NAME="" && echo "make SCRIPT_NAME empty from /"
+
+		echo "Start gunicorn name=${CONTAINER_NAME} on ${CONTAINER_HOST}:${CONTAINER_PORT} with ${WSGI_WORKERS} workers and SCRIPT_NAME=${SCRIPT_NAME}"
+		exec gunicorn --workers ${WSGI_WORKERS} \
+				--worker-class=${WSGI_WORKER_CLASS} \
+				--timeout ${WSGI_WORKER_TIMEOUT} \
+				--name=${CONTAINER_NAME} \
+				--bind ${CONTAINER_HOST}:${CONTAINER_PORT} \
+				--reload \
+				--reload-extra-file ${PYGEOAPI_CONFIG} \
+				pygeoapi.flask_app:APP
+			
+		touch ${PYGEOAPI_CONFIG}
+	  ;;
+
 	*)
-	  error "unknown command arg: must be run (default) or test"
+	  error "unknown command arg: must be run (default), hot-reload, or test"
 	  ;;
 esac
 

docs/source/running-with-docker.rst

@@ -29,6 +29,12 @@ To run with the default built-in configuration and data:
 
 ...then browse to http://localhost:5000
 
+You can also run pygeoapi with hot-reload of the configuration enabled
+
+.. code-block:: bash
+
+   docker run -p 5000:80 -it geopython/pygeoapi hot-reload
+
 You can also run all unit tests to verify:
 
 .. code-block:: bash
@@ -91,8 +97,10 @@ The base Docker image supports two additional environment variables for configur
    .. code-block:: bash
 
       docker run -p 5000:80 -e PYGEOAPI_SERVER_ADMIN=true -it geopython/pygeoapi
+      # with hot-reload
+      docker run -p 5000:80 -e PYGEOAPI_SERVER_ADMIN=true -it geopython/pygeoapi hot-reload
 
-   This does not enable hot reloading of the `pygoeapi` configuration. To learn more about the Admin API see :ref:`admin-api`.
+   To learn more about the Admin API see :ref:`admin-api`.
 
 
 Deploying on a sub-path