diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8cf3dbc..0049769 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@ build_flask:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker push $IMAGE_TAG
 
-build_api:
+build_tester:
   stage: build
   tags:
     - shell
@@ -35,6 +35,7 @@ build_api:
     - echo "Build api image"
     - export
 
+# https://gitlab.com/gitlab-org/gitlab-runner/-/issues/26785
 unit_test:
   stage: test
   services:
@@ -42,7 +43,9 @@ unit_test:
       alias: zeo
     - name: $CI_REGISTRY_IMAGE/webui:$CI_COMMIT_REF_SLUG
       alias: webui
-  image: ubuntu:20.04
+  image: 
+    name: $CI_REGISTRY_IMAGE/webui:$CI_COMMIT_REF_SLUG
+    entrypoint: ["tester.sh"]
   tags:
     - docker
     - ubuntu
@@ -50,6 +53,5 @@ unit_test:
     paths:
       - var/
   script:
-    - apt-get install -y wget
     - mkdir var
     - wget webui:5000 -o var/index.html
diff --git a/src/webui/Dockerfile b/src/webui/Dockerfile
index 5b12a9c..8d5128f 100644
--- a/src/webui/Dockerfile
+++ b/src/webui/Dockerfile
@@ -1,11 +1,13 @@
 FROM python:3.9-slim
 RUN apt-get update && apt-get install -y \
     gcc  \
+    wget \
     && rm -rf /var/lib/apt/lists/*
 RUN pip install ZEO==5.2.1
 RUN pip install flask
-WORKDIR /flaskr
 COPY . .
+RUN chmod +x /tester.sh
+RUN chmod +x /run.sh
 ENV FLASK_APP=flaskr/zeo_db
 EXPOSE 5000
 CMD python3 -m flask run --host=0.0.0.0
\ No newline at end of file
diff --git a/src/webui/tester.sh b/src/webui/tester.sh
new file mode 100644
index 0000000..65c3873
--- /dev/null
+++ b/src/webui/tester.sh
@@ -0,0 +1,2 @@
+mkdir var
+wget webui:5000 -o var/index.html