diff --git a/.github/workflows/build-user-image.yml b/.github/workflows/build-user-image.yml
index d5298521..02a6f693 100644
--- a/.github/workflows/build-user-image.yml
+++ b/.github/workflows/build-user-image.yml
@@ -33,7 +33,7 @@ env:
 jobs:
   build-and-push-image:
     runs-on: ubuntu-latest
-    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    if: ${{ (github.event.workflow_run.conclusion == 'success') || (github.event_name == 'workflow_dispatch') }}
     permissions:
       contents: read
       packages: write
diff --git a/docker/dev/Dockerfile b/docker/dev/Dockerfile
index c1f25e7b..b79dc57e 100644
--- a/docker/dev/Dockerfile
+++ b/docker/dev/Dockerfile
@@ -13,6 +13,7 @@ SHELL ["conda", "run", "-n", "base", "/bin/bash", "-c"]
 RUN conda install -n base conda-libmamba-solver && \
     conda config --set solver libmamba && \
     conda create -y -n karabo
+# create venv to not f*** up base-env in which libmamba solver lives
 SHELL ["conda", "run", "-n", "karabo", "/bin/bash", "-c"]
 RUN echo "conda activate karabo" >> ~/.bashrc
 WORKDIR /workspace