diff --git a/.env.example b/.env.example
deleted file mode 100644
index a05532c..0000000
--- a/.env.example
+++ /dev/null
@@ -1,2 +0,0 @@
-PG_ADMIN_DEFAULT_EMAIL = test@example.com
-PGADMIN_DEFAULT_PASSWORD = changeme
diff --git a/docker-compose.yml b/docker-compose.yaml
similarity index 56%
rename from docker-compose.yml
rename to docker-compose.yaml
index ec3dd6e..ba2a2d9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yaml
@@ -3,8 +3,9 @@ services:
         container_name: pgadmin
         image: dpage/pgadmin4:9.12.0
         restart: unless-stopped
-        env_file:
-            - .env
+        environment:
+            PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL:-admin@example.com}
+            PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD:-changeme}
         volumes:
             - ./data:/var/lib/pgadmin:delegated
         ports: