Merged in [19811] from lars@eggert.org:

    When using Docker, the runserver isn't being accessed over loopback, so we need
to initialize INTERNAL_IPS based on the current interface configuration.
 - Legacy-Id: 19814
Note: SVN reference [19811] has been migrated to Git commit 46ca676

Author: rjsparks

docker/configs/settings_local.py

@@ -55,3 +55,8 @@
 SUBMIT_YANG_INVAL_MODEL_DIR = 'data/developers/ietf-ftp/yang/invalmod/'
 SUBMIT_YANG_IANA_MODEL_DIR = 'data/developers/ietf-ftp/yang/ianamod/'
 SUBMIT_YANG_RFC_MODEL_DIR   = 'data/developers/ietf-ftp/yang/rfcmod/'
+
+# Set INTERNAL_IPS for use within Docker. See https://knasmueller.net/fix-djangos-debug-toolbar-not-showing-inside-docker
+import socket
+hostname, _, ips = socket.gethostbyname_ex(socket.gethostname())
+INTERNAL_IPS = [".".join(ip.split(".")[:-1] + ["1"]) for ip in ips]