Add the AMQP pack

symfony/messenger-amqp-pack/1.0/manifest.json

@@ -0,0 +1,3 @@
+{
+    "aliases": ["amqp"]
+}

symfony/messenger/4.1/manifest.json

@@ -5,5 +5,5 @@
     "env": {
         "#MESSENGER_ADAPTER_DSN": "amqp://guest:guest@localhost:5672/%2f/messages"
     },
-    "aliases": ["messenger", "amqp"]
+    "aliases": ["messenger"]
 }

symfony/messenger/4.1/post-install.txt

@@ -9,7 +9,7 @@
   * If you need to send messages to your broker, you can benefit from the built-in
     amqp transport by:
 
-    1. Installing the <info>symfony/serializer-pack</>
+    1. Install the AMQP pack by running <info>composer require amqp</>
     2. Uncommenting the <comment> MESSENGER_ADAPTER_DSN</> env var
        and `framework.messanger.transports.amqp` config
     3. Routing your messages to the amqp sender.