🐳 Moved MySQL config settings to a .env file

Author: wouterds

docker-compose.yml

@@ -8,11 +8,8 @@ services:
         volumes:
             - /var/lib/mysql
         restart: on_failure
-        environment:
-            MYSQL_ROOT_PASSWORD: root
-            MYSQL_USER: docker
-            MYSQL_PASSWORD: docker
-            MYSQL_DATABASE: docker
+        env_file:
+            - docker.env
 
     nginx:
         image: nginx:1.13

docker.env

@@ -0,0 +1,4 @@
+MYSQL_ROOT_PASSWORD=root
+MYSQL_USER=docker
+MYSQL_PASSWORD=docker
+MYSQL_DATABASE=docker