docs: update docs of README.mds.

summary: update command docker compose to docker-compose.

traefik-golang/README.md

@@ -9,6 +9,7 @@ You can open this sample in the Dev Environments feature of Docker Desktop versi
 ### TRAEFIK proxy with GO backend
 
 Project structure:
+
 ```
 .
 ├── backend
@@ -19,6 +20,7 @@ Project structure:
 ```
 
 [_compose.yaml_](compose.yaml)
+
 ```
 services:
   frontend:
@@ -40,6 +42,7 @@ services:
       - "traefik.http.services.go.loadbalancer.server.port=80"
 
 ```
+
 The compose file defines an application with two services `frontend` and `backend`.
 When deploying the application, docker compose maps port 80 of the frontend service container to the same port of the host as specified in the file.
 Make sure port 80 on the host is not already being in use.
@@ -47,7 +50,7 @@ Make sure port 80 on the host is not already being in use.
 ## Deploy with docker compose
 
 ```
-$ docker compose up -d
+$ docker-compose up -d
 Creating network "traefik-golang_default" with the default driver
 Building backend
 Step 1/7 : FROM golang:1.13 AS build
@@ -71,6 +74,7 @@ Creating traefik-golang_frontend_1 ... done
 ## Expected result
 
 Listing containers must show two containers running and the port mapping as below:
+
 ```
 $ docker ps
 CONTAINER ID   IMAGE                    COMMAND                  CREATED          STATUS          PORTS                               NAMES
@@ -79,6 +83,7 @@ e0a0f3191042   traefik:2.6              "/entrypoint.sh --pr…"   42 seconds ag
 ```
 
 After the application starts, navigate to `http://localhost:80` in your web browser or run:
+
 ```
 $ curl localhost:80
 
@@ -96,6 +101,7 @@ Hello from Docker!
 ```
 
 Stop and remove the containers
+
 ```
-$ docker compose down
+$ docker-compose down
 ```