Add a note to the documentation about the use of non-privileged ports on filesystems that don't support extended attributes when running the container. Fixes #5013

docs/en_US/container_deployment.rst

@@ -122,6 +122,17 @@ instances.
 
         sudo chown -R 5050:5050 <host_directory>
 
+    On some filesystems that do not support extended attributes, it may not be
+    possible to run pgAdmin without specifying a value for *PGADMIN_LISTEN_PORT*
+    that is greater than 1024. In such cases, specify an alternate port when
+    launching the container by adding the environment variable, for example:
+
+    .. code-block:: bash
+
+        -e 'PGADMIN_LISTEN_PORT=5050'
+
+    Don't forget to adjust any host-container port mapping accordingly.
+
 **/var/lib/pgadmin**
 
 This is the working directory in which pgAdmin stores session data, user files,

docs/en_US/release_notes_4_17.rst

@@ -33,4 +33,5 @@ Bug fixes
 | `Issue #5004 <https://redmine.postgresql.org/issues/5004>`_ -  Fix vulnerability issues reported by 'yarn audit'. Replace the deprecated uglifyjs-webpack-plugin with a terser-webpack-plugin.
 | `Issue #5008 <https://redmine.postgresql.org/issues/5008>`_ -  Ensure that the error message should not be displayed if Tablespace is not selected while creating the index.
 | `Issue #5009 <https://redmine.postgresql.org/issues/5009>`_ -  Fix an issue where operator, access method and operator class is not visible for exclusion constraints.
+| `Issue #5013 <https://redmine.postgresql.org/issues/5013>`_ -  Add a note to the documentation about the use of non-privileged ports on filesystems that don't support extended attributes when running the container.
 | `Issue #5047 <https://redmine.postgresql.org/issues/5047>`_ -  Added tab navigation for tabs under explain panel in query tool.