diff --git a/.gitignore b/.gitignore
index 05280cb..700a00b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /home
+/.env
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 8447782..cf10aa5 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -2,6 +2,7 @@ version: '3'
 services:
   jupyter:
     build: ./build
+    image: ${DOCKER_IMAGENAME:-my-jupyterlab}
     volumes:
       - ./home:/home/jovyan
     ports: