diff --git a/.env.example b/.env.example
index 0931e88..1d6a285 100644
--- a/.env.example
+++ b/.env.example
@@ -16,7 +16,7 @@ PGSAIL_EMAIL_SERVER=localhost
 PGSAIL_APP_URL=http://localhost:8080
 PGSAIL_API_URL=http://localhost:3000
 # POSTGREST ENV Settings
-PGRST_DB_URI=postgres://authenticator:${PGSAIL_AUTHENTICATOR_PASSWORD}@127.0.0.1:5432/signalk
+PGRST_DB_URI=postgres://authenticator:${PGSAIL_AUTHENTICATOR_PASSWORD}@db:5432/signalk
 PGRST_JWT_SECRET=_at_least_32__char__long__random
 # Grafana ENV Settings
 GF_SECURITY_ADMIN_PASSWORD=password