diff --git a/lib/generators/modulorails/gitlabci/templates/.gitlab-ci.yml.tt b/lib/generators/modulorails/gitlabci/templates/.gitlab-ci.yml.tt
index 7104f6a..05af065 100644
--- a/lib/generators/modulorails/gitlabci/templates/.gitlab-ci.yml.tt
+++ b/lib/generators/modulorails/gitlabci/templates/.gitlab-ci.yml.tt
@@ -25,6 +25,8 @@ stages:
 
 build_integration_image:
   extends: .build_integration_image
+  variables:
+    DOCKERFILE: .devcontainer/Dockerfile
 
 test:
   extends: .test