chgt back-ticks dans hosts et <<- par << pour le here-doc

docker-traefik-nginxb/Vagrantfile

@@ -75,7 +75,8 @@ Vagrant.configure("2") do |config|
      mkdir -p docker/traefik && cd docker/traefik
      mkdir www
      echo "my.nginx" > www/index.html 
-     cat > docker-compose.yml  <<-EOT
+     #cat > docker-compose.yml  <<-EOT
+     cat > docker-compose.yml  <<EOT
 version: '3'
 
 services:
@@ -96,7 +97,7 @@ services:
     # A container that exposes an API to show its IP address
     image: nginx:1.23-alpine
     volumes:
-      -v ./www:/usr/share/nginx/html:ro        
+      - ./www:/usr/share/nginx/html:ro        
     labels:
       - "traefik.http.routers.nginx.rule=Host(`my.nginx`)"
 EOT