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+# Notifications center
+
+Notifications center is a key part of our CI microservices infrastructure.
+
+It receives payloads from various sources like GitHub, Phabricator or Docker Hub
+and fires standardized notifications to a AMQP broker.
+
+Additionally, it can perform extra tasks like triggering a remote API. A builtin
+example notifies Phabricator when a push occurs to a GitHub repository.
+
+It allows to bridge GitHub and Phabricator, to notify an IRC/Slack bot
+of what happens on your CI infrastructure or to orchestrate the communication
+between the different CI software.
+
+You can also use it as an HTTP to AMQP gateway.
+
+The broker layer interface is abstracted, you can use another broker
+if you send a pull request to the keruald/broker repository.
+
+It's built in PHP on the top of the Laravel framework.
+
+## How to install
+
+To install the application, we need an AMQP broker.
+
+The application uses a `notifications` topic exchange
+on the specified virtual host.
+
+### Through Docker
+
+We recommend RabbitMQ as broker, but any AMQP broker is suitable.
+
+ docker pull nasqueron/rabbitmq
+ docker run -dt -p 5672:5672 -p 15672:15672 \
+ -v /data/log -v /data/mnesia
+ --hostname blue-rabbit --name blue-rabbit \
+ nasqueron/rabbitmq
+
+Three operations should be done on the broker at http://server:15672:
+
+ 1. Change the default login/password for administrator account: guest/guest.
+ 2. Declare a `topic` exchange `notifications` on the suitable vhost.
+ 3. Create an login/pass with right on this exchange for the application.
+
+Fire the notification container, linking to the broker if launched as another
+container and setting in environment suitable configuration:
+
+ docker pull nasqueron/notifications
+ docker run -dt -v /var/wwwroot/default/storage \
+ --link blue-rabbit:mq -p 80:80 \
+ -e BROKER_HOST=mq \
+ -e BROKER_VHOST=$BROKER_VHOST \
+ -e BROKER_USERNAME=$BROKER_USERNAME \
+ -e BROKER_PASSWORD=$BROKER_PASSWORD \
+ nasqueron/notifications
+
+### Manually
+
+Clone the repository and install the dependencies:
+
+ git clone https://github.com/nasqueron/notifications.git
+ cd notifications
+ composer install
+
+Prepare a configuration file:
+
+ cp .env.example .env
+ php artisan key:generate
+ $EDITOR .env
+
+See the section above for hints about how to configure your broker.
+
+## Notifications format
+
+Each notification is represented as an object with the following
+properties.
+
+Three describes the origin of the notification:
+
+ - service: the source service (e.g. GitHub, Phabricator, Jenkins)
+ - project: the target project (e.g. Nasqueron)
+ - group: the target group inside this project (e.g. CI, Tasacora, Operations)
+
+Four describes the content of the notification:
+
+ - rawContent: a representation 'as is' of the source payload/data/message
+ - type: the notification's type (e.g. "commit", "task")
+ - text: the notification's text
+ - link: an URL to be used as the main link for widgets using the notification
+
+Notifications are sent to the broker in JSON.

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