Merge pull request #3248 from fahamjv/master

Fix Invalid template bug in .env.example file

.env.example

@@ -900,7 +900,7 @@ TRAEFIK_HOST_HTTP_PORT=80
 TRAEFIK_HOST_HTTPS_PORT=443
 TRAEFIK_DASHBOARD_PORT=8888
 # basic authentication for traefik dashboard username: admin password:admin
-TRAEFIK_DASHBOARD_USER=admin:$2y$10$lXaL3lj6raFic6rFqr2.lOBoCudAIhB6zyoqObNg290UFppiUzTTi
+TRAEFIK_DASHBOARD_USER='admin:$2y$10$lXaL3lj6raFic6rFqr2.lOBoCudAIhB6zyoqObNg290UFppiUzTTi'
 ACME_DOMAIN=example.org
 ACME_EMAIL=email@example.org