Merge pull request #4126 from jonasrdl/remove-deprecated-version-line

docs(setup): Remove deprecated version from docker-compose.yml

docs/src/advanced-config/index.md

@@ -50,7 +50,6 @@ networks:
 Let's look at a Portainer example:
 
 ```yml
-version: '3.8'
 services:
 
   portainer:
@@ -92,8 +91,6 @@ This image supports the use of Docker secrets to import from files and keep sens
 You can set any environment variable from a file by appending `__FILE` (double-underscore FILE) to the environmental variable name.
 
 ```yml
-version: '3.8'
-
 secrets:
   # Secrets are single-line text files where the sole content is the secret
   # Paths in this example assume that secrets are kept in local folder called ".secrets"

docs/src/setup/index.md

@@ -9,7 +9,6 @@ outline: deep
 Create a `docker-compose.yml` file:
 
 ```yml
-version: '3.8'
 services:
   app:
     image: 'jc21/nginx-proxy-manager:latest'
@@ -55,7 +54,6 @@ are going to use.
 Here is an example of what your `docker-compose.yml` will look like when using a MariaDB container:
 
 ```yml
-version: '3.8'
 services:
   app:
     image: 'jc21/nginx-proxy-manager:latest'