adjust health envs

examples/keycloak/docker-compose.yml

@@ -14,7 +14,7 @@ services:
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
     healthcheck:
-      test: [ "CMD", "pg_isready", "-q", "-d", "${KEYCLOAK_DB_NAME}", "-U", "${KEYCLOAK_DB_USER}" ]
+      test: [ "CMD", "pg_isready", "-q", "-d", "${POSTGRES_DB}", "-U", "${POSTGRES_USER}" ]
       interval: 10s
       timeout: 5s
       retries: 3
@@ -73,4 +73,4 @@ networks:
   keycloak-internal:
     internal: true
   #proxy:
-  #  external: true    
+  #  external: true