update readme

README.md

@@ -2,10 +2,14 @@
 
 User-related data management.
 
-## Installation
+## Requirements
 
 You need [Docker](https://docs.docker.com/engine/) and [Docker-compose](https://docs.docker.com/compose/).
 
+A RabbitMQ instance is also required to send messages when data has been inserted/updated/deleted.
+
+## Installation
+
 Copy `.env.dist` to `.env` :
 
 ```bash
@@ -33,7 +37,7 @@ sudo chown -R 5050:5050 postgresql/.pgadmin_data
 Before using the app, you need to launch the database migration :
 
 ```bash
-docker exec v3_user sh -c "npx prisma migrate dev"
+docker exec v3-user sh -c "npx prisma migrate dev"
 ```
 
 ## Usage
@@ -85,14 +89,24 @@ The app exposes the following [gRPC](https://grpc.io/) services :
     }
     ```
 
+## Messages
+
+A mentionned earlier, RabbitMQ messages are sent after these events :
+
+-   **Create** (message : the created user informations)
+
+-   **Update** (message : the updated user informations)
+
+-   **Delete** (message : the uuid of the deleted user)
+
 ## Test
 
 ```bash
 # unit tests
-docker exec v3_user sh -c "npm run test"
+docker exec v3-user sh -c "npm run test"
 
 # test coverage
-docker exec v3_user sh -c "npm run test:cov"
+docker exec v3-user sh -c "npm run test:cov"
 ```
 
 Note : you can run all npm commands directly _outside_ the container (see _scripts_ section of `package.json` for available commands), but you need NodeJS installed locally. We **strongly** advise to install [Node Version Manager](https://github.com/nvm-sh/nvm) and use the latest LTS version of Node.