diff --git a/docker-compose-generator/docker-fragments/postgres.yml b/docker-compose-generator/docker-fragments/postgres.yml
index df786ac..163aedf 100644
--- a/docker-compose-generator/docker-fragments/postgres.yml
+++ b/docker-compose-generator/docker-fragments/postgres.yml
@@ -4,6 +4,8 @@ services:
   postgres:
     restart: unless-stopped
     image: postgres:9.6.20
+    environment:
+      POSTGRES_HOST_AUTH_METHOD: trust
     volumes:
       - "postgres_datadir:/var/lib/postgresql/data"