Moved nextcloud to single config file

nextcloud/.env.example

@@ -0,0 +1,21 @@
+# Database settings
+POSTGRES_HOST=db
+POSTGRES_DB=nextcloud
+POSTGRES_USER=nextcloud
+POSTGRES_PASSWORD=pass
+
+# Redis
+REDIS_HOST=redis
+
+# Admin Settings
+NEXTCLOUD_ADMIN_USER=root
+NEXTCLOUD_ADMIN_PASSWORD=changeme
+
+# Not sure if this one is needed
+APACHE_DISABLE_REWRITE_IP=1
+
+# Allow usage with nginx container
+TRUSTED_PROXIES=nginx
+
+# Put the URL of your nextcloud instance here
+NEXTCLOUD_TRUSTED_DOMAINS=