diff --git a/Jenkinsfile.declarative b/Jenkinsfile.declarative
index 310bbca..5d3b372 100644
--- a/Jenkinsfile.declarative
+++ b/Jenkinsfile.declarative
@@ -18,7 +18,7 @@ pipeline {
     stage('Test image') {
       steps {
         script {
-          dockerImage.inside("--entrypoint=['/bin/sleep', 'infinity']") {
+          dockerImage.inside("--entrypoint='/entrypoint_test.sh'") {
             sh '/usr/bin/env'
           }
         }
diff --git a/docker/debian/Dockerfile b/docker/debian/Dockerfile
index 0c0beab..1614eae 100644
--- a/docker/debian/Dockerfile
+++ b/docker/debian/Dockerfile
@@ -21,5 +21,6 @@ RUN env; set -ex ; \
 
 COPY app/*.py /app/
 COPY entrypoint.sh /entrypoint.sh
+COPY entrypoint_test.sh /entrypoint_test.sh
 
 ENTRYPOINT ["/entrypoint.sh"]