use dotenv global options for easier docker management and parameter passing

Signed-off-by: Victor Gonzalez <victor@vgr.cl>

docker-compose.yml

@@ -32,13 +32,11 @@ services:
       - plausible_events_db
       - mail
     ports:
-      - 80:8000
+      - ${PORT}:8000
     links:
       - plausible_db
       - plausible_events_db
       - mail
-    env_file:
-      - plausible-conf.env
 
 volumes:
   db-data:

plausible-conf.env

@@ -1,5 +0,0 @@
-ADMIN_USER_EMAIL={replace-me}
-ADMIN_USER_NAME={replace-me}
-ADMIN_USER_PWD={replace-me}
-BASE_URL={replace-me}
-SECRET_KEY_BASE={replace-me}