Adopt Compose v2 (#240)

* Adopt Compose v2

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

prometheus-grafana/README.md

@@ -4,7 +4,7 @@
 Project structure:
 ```
 .
-├── docker-compose.yml
+├── compose.yaml
 ├── grafana
 │   └── datasource.yml
 ├── prometheus
@@ -12,7 +12,7 @@ Project structure:
 └── README.md
 ```
 
-[_docker-compose.yml_](docker-compose.yml)
+[_compose.yaml_](compose.yaml)
 ```
 services:
   prometheus:
@@ -27,13 +27,13 @@ services:
       - 3000:3000
 ```
 The compose file defines a stack with two services `prometheus` and `grafana`.
-When deploying the stack, docker-compose maps port the default ports for each service to the equivalent ports on the host in order to inspect easier the web interface of each service.
+When deploying the stack, docker compose maps port the default ports for each service to the equivalent ports on the host in order to inspect easier the web interface of each service.
 Make sure the ports 9090 and 3000 on the host are not already in use.
 
-## Deploy with docker-compose
+## Deploy with docker compose
 
 ```
-$ docker-compose up -d
+$ docker compose up -d
 Creating network "prometheus-grafana_default" with the default driver
 Creating volume "prometheus-grafana_prom_data" with default driver
 ...
@@ -61,5 +61,5 @@ Navigate to `http://localhost:9090` in your web browser to access directly the w
 
 Stop and remove the containers. Use `-v` to remove the volumes if looking to erase all data.
 ```
-$ docker-compose down -v
+$ docker compose down -v
 ```