Merge pull request #3487 from directus/docs/compose

Update docker-compose examples

docs/guides/installation/docker.md

@@ -59,7 +59,7 @@ services:
       - 6379:6379
 
   directus:
-    image: directus/directus:v9.0.0-rc.19
+    image: directus/directus:v9.0.0-rc.24
     ports:
       - 8055:8055
     networks:
@@ -79,6 +79,9 @@ services:
       CACHE_STORE: 'redis'
       CACHE_REDIS: 'redis://cache:6379'
 
+      ADMIN_EMAIL: 'admin@example.com'
+      ADMIN_PASSWORD: 'password'
+
 networks:
   directus:
 ```