diff --git a/templates/docker-compose.yml.j2 b/templates/docker-compose.yml.j2
index 3004a6c..b85581c 100644
--- a/templates/docker-compose.yml.j2
+++ b/templates/docker-compose.yml.j2
@@ -12,6 +12,10 @@ services:
       VIRTUAL_HOST: "{{ inventory_hostname | default('ansible_undefined_fact') }}"
       VIRTUAL_ROOT: "/var/www/html/"
       LETSENCRYPT_HOST: "{{ inventory_hostname | default('ansible_undefined_fact') }}"
+      POSTGRES_DATABASE=nextclouddb
+      POSTGRES_USER=nextcloud
+      POSTGRES_HOST=localhost:5432
+      NEXTCLOUD_TRUSTED_DOMAINS="{{ inventory_hostname | default('ansible_undefined_fact') }}"
     networks:
       default:
         aliases: