Apply the same default config as docker-library/rabbitmq

Author: HoloRin

packaging/docker-image/10-default-guest-user.conf

@@ -0,0 +1,8 @@
+## DEFAULT SETTINGS ARE NOT MEANT TO BE TAKEN STRAIGHT INTO PRODUCTION
+## see https://www.rabbitmq.com/configure.html for further information
+## on configuring RabbitMQ
+
+## allow access to the guest user from anywhere on the network
+## https://www.rabbitmq.com/access-control.html#loopback-users
+## https://www.rabbitmq.com/production-checklist.html#users
+loopback_users.guest = false

packaging/docker-image/Dockerfile

@@ -250,6 +250,7 @@ VOLUME $RABBITMQ_DATA_DIR
 # https://docs.docker.com/samples/library/ubuntu/#locales
 ENV LANG=C.UTF-8 LANGUAGE=C.UTF-8 LC_ALL=C.UTF-8
 
+COPY --chown=rabbitmq:rabbitmq 10-default-guest-user.conf /etc/rabbitmq/conf.d/
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]