Created deployment

deployment/develop/rabbit/definitions.json

@@ -3,6 +3,13 @@
 	"rabbitmq_version": "4.2.2",
 	"product_name": "RabbitMQ",
 	"product_version": "4.2.2",
+	"users": [
+		{
+			"name": "RABBITMQ_USER_PLACEHOLDER",
+			"password": "RABBITMQ_PASSWORD_PLACEHOLDER",
+			"tags": ["administrator"]
+		}
+	],
 	"vhosts": [
 		{
 			"name": "sim-vhost"
@@ -10,7 +17,7 @@
 	],
 	"permissions": [
 		{
-			"user": "guest",
+			"user": "RABBITMQ_USER_PLACEHOLDER",
 			"vhost": "sim-vhost",
 			"configure": ".*",
 			"write": ".*",

deployment/develop/rabbit/docker-entrypoint-wrapper.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -eu
+
+# Substitute env vars into definitions template before RabbitMQ starts.
+# RabbitMQ 4.x skips default user creation when definitions.json is loaded,
+# so the user must be defined in the JSON itself.
+sed \
+  -e "s|RABBITMQ_USER_PLACEHOLDER|${RABBITMQ_USER}|g" \
+  -e "s|RABBITMQ_PASSWORD_PLACEHOLDER|${RABBITMQ_PASSWORD}|g" \
+  /etc/rabbitmq/definitions.template.json > /etc/rabbitmq/definitions.json
+
+exec docker-entrypoint.sh "$@"