diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6086c911f550893349c11a76a9d6018a514fbc95..4978da9041cc80ea1603ab3e7f8a942b69dc6c5b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -268,6 +268,7 @@ jug_dev:
         BUILD_IMAGE: jug_
         PLATFORM: linux/amd64
         ENV:
+        - dbg
         - dev
         - prod
 #      - BUILD_TYPE:
diff --git a/spack-environment/dbg/spack.yaml b/spack-environment/dbg/spack.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..60f86ed24fa49b6976dd47bd5803023900a0e312
--- /dev/null
+++ b/spack-environment/dbg/spack.yaml
@@ -0,0 +1,19 @@
+spack:
+  include:
+  - ../concretizer.yaml
+  - ../packages.yaml
+  config:
+    install_missing_compilers: false
+  specs:
+  - acts build_type=Debug
+  - algorithms build_type=Debug
+  - cmake
+  - dd4hep build_type=Debug
+  - edm4eic build_type=Debug
+  - edm4hep build_type=Debug
+  - eicrecon build_type=Debug
+  - gdb
+  - irt build_type=Debug
+  - jana2 build_type=Debug
+  - valgrind
+  view: false