Use Environment to set email

.env

@@ -0,0 +1 @@
+ADMIN_EMAIL=admin@example.com

docker-compose.yml

@@ -46,5 +46,4 @@ services:
     depends_on:
      - reverse_proxy
     environment:
-    #- ACME_CA_URI=https://acme-staging-v02.api.letsencrypt.org/directory # test-server
-     - DEFAULT_EMAIL=admin@uwu.email
+     - DEFAULT_EMAIL=${ADMIN_EMAIL}