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Table of Contents

  • Switching from PostgreSQL to RabbitMQ
  • Adding RabbitMQ to the Docker Stack
  • Restarting Docker Services
  • Exploring the RabbitMQ Web Management Interface
  • Deploying RabbitMQ

Using RabbitMQ as a Message Broker

Using RabbitMQ as a Message Broker

RabbitMQ is a very popular message broker that you can use as an alternative to PostgreSQL.

Switching from PostgreSQL to RabbitMQ

To use RabbitMQ instead of PostgreSQL as a message broker:

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--- a/config/packages/messenger.yaml
+++ b/config/packages/messenger.yaml
@@ -5,10 +5,7 @@ framework:
         transports:
             # https://symfony.com/doc/current/messenger.html#transport-configuration
             async:
-                dsn: '%env(MESSENGER_TRANSPORT_DSN)%'
-                options:
-                    use_notify: true
-                    check_delayed_interval: 60000
+                dsn: '%env(RABBITMQ_URL)%'
                 retry_strategy:
                     max_retries: 3
                     multiplier: 2

We also need to add RabbitMQ support for Messenger:

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$ symfony composer req amqp-messenger

Adding RabbitMQ to the Docker Stack

As you might have guessed, we also need to add RabbitMQ to the Docker Compose stack:

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--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,6 +19,10 @@ services:
     image: redis:5-alpine
     ports: [6379]

+  rabbitmq:
+    image: rabbitmq:3.7-management
+    ports: [5672, 15672]
+
 volumes:
 ###> doctrine/doctrine-bundle ###
   db-data:

Restarting Docker Services

To force Docker Compose to take the RabbitMQ container into account, stop the containers and restart them:

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$ docker-compose stop
$ docker-compose up -d
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$ sleep 10

Exploring the RabbitMQ Web Management Interface

If you want to see queues and messages flowing through RabbitMQ, open its web management interface:

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$ symfony open:local:rabbitmq

Or from the web debug toolbar:

/

Use guest/guest to login to the RabbitMQ management UI:

/

Deploying RabbitMQ

Adding RabbitMQ to the production servers can be done by adding it to the list of services:

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--- a/.platform/services.yaml
+++ b/.platform/services.yaml
@@ -18,3 +18,8 @@ files:

 rediscache:
     type: redis:5.0
+
+queue:
+    type: rabbitmq:3.7
+    disk: 1024
+    size: S

Reference it in the web container configuration as well and enable the amqp PHP extension:

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--- a/.platform.app.yaml
+++ b/.platform.app.yaml
@@ -8,6 +8,7 @@ dependencies:

 runtime:
     extensions:
+        - amqp
         - apcu
         - blackfire
         - ctype
@@ -42,6 +43,7 @@ mounts:
 relationships:
     database: "database:postgresql"
     redis: "rediscache:redis"
+    rabbitmq: "queue:rabbitmq"

 hooks:
     build: |

When the RabbitMQ service is installed on a project, you can access its web management interface by opening the tunnel first:

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$ symfony cloud:tunnel:open
$ symfony open:remote:rabbitmq

# when done
$ symfony cloud:tunnel:close

Going Further

  • RabbitMQ docs.
Previous page Using Redis to Store Sessions
Next page What's Next?
This work, including the code samples, is licensed under a Creative Commons BY-NC-SA 4.0 license.
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