Switch RabbitMQ to TIER version

And add the code to create sampleQueue on the first run.

demo/complex/docker-compose.yml

@@ -197,7 +197,7 @@ services:
      - 4443:4443
 
   mq:
-    image: rabbitmq:management
+    build: ./mq/
     environment:
      - RABBITMQ_NODENAME=docker-rabbit
     hostname: rabbitmq

demo/complex/mq/Dockerfile

@@ -0,0 +1,13 @@
+FROM tier/rabbitmq:latest
+
+COPY container_files/etc-rabbitmq/* /etc/rabbitmq/
+COPY container_files/usr-local-bin/* /usr/local/bin/
+
+ENV RABBITMQ_PID_FILE=/var/run/rabbitmq/pid
+
+# Must be on /var/lib/rabbitmq (this is the same place where queues are defined)
+ENV RABBITMQ_INIT_DONE_FILE=/var/lib/rabbitmq/initialization.done
+
+ENTRYPOINT ["/usr/local/bin/demo-entrypoint.sh"]
+
+CMD ["rabbitmq-server"]

demo/complex/mq/container_files/etc-rabbitmq/rabbitmq.conf

@@ -0,0 +1,2 @@
+# Allow guest access from anywhere (change this in production!)
+loopback_users = none

demo/complex/mq/container_files/usr-local-bin/demo-entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if [ ! -e $RABBITMQ_INIT_DONE_FILE ]; then
+    /usr/local/bin/initialize-rabbitmq.sh &
+else
+    echo "RabbitMQ was already initialized"
+fi
+/usr/local/bin/entrypoint.sh "$@"

demo/complex/mq/container_files/usr-local-bin/initialize-rabbitmq.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+echo "Executing RabbitMQ initialization"
+echo "Waiting for the server to start up..."
+rabbitmqctl -t 30 wait $RABBITMQ_PID_FILE
+echo "OK, creating sampleQueue..."
+rabbitmqadmin declare queue name=sampleQueue
+echo "Done"
+touch $RABBITMQ_INIT_DONE_FILE