diff --git a/.github/workflows/docker_build_test_publish.yml b/.github/workflows/docker_build_test_publish.yml
index 2ac21e39..710db6de 100644
--- a/.github/workflows/docker_build_test_publish.yml
+++ b/.github/workflows/docker_build_test_publish.yml
@@ -29,9 +29,23 @@ jobs:
         shell: bash -l {0}
         run: |
           docker build -t cil-viewer docker/web-app
+          
+      - name : docker save container
+        # https://docs.docker.com/engine/reference/commandline/save/
+        shell: bash -l {0}
+        run: |
+          docker image ls
+          docker save cil-viewer | gzip > cil-viewer.tar.gz
+          ls -l
+          
+      - name: Upload artifact of the image.
+        uses: actions/upload-artifact@v2
+        with:
+          name: cil-viewer
+          path: cil-viewer.tar.gz
 
       - name: Run docker container with tests
         shell: bash -l {0}
         run: |
-          docker run --rm --entrypoint /bin/bash -v /home/runner/work/CILViewer/CILViewer:/root/source_code  cil-viewer -c "source ./mambaforge/etc/profile.d/conda.sh && conda activate cilviewer_webapp && conda install cil-data pytest -c ccpi && python -m pytest /root/source_code/Wrappers/Python -k 'not test_version'"
-    # TODO: publish to come later
\ No newline at end of file
+          docker run --rm --entrypoint /bin/bash -v /home/runner/work/CILViewer/CILViewer:/root/source_code  cil-viewer -c "source ./mambaforge/etc/profile.d/conda.sh && conda activate cilviewer_webapp && pip show ccpi-viewer && ls -l /home/abc/mambaforge/envs/cilviewer_webapp/lib/python3.9/site-packages/ccpi/viewer && python -m pytest /root/source_code/Wrappers/Python/"
+    # TODO: publish to come later
diff --git a/docker/web-app/environment.yml b/docker/web-app/environment.yml
index a6d0dff3..3f1a86c6 100644
--- a/docker/web-app/environment.yml
+++ b/docker/web-app/environment.yml
@@ -1,12 +1,20 @@
 name: cilviewer_webapp
 channels:
   - conda-forge
+  - ccpi
+  - paskino
 dependencies:
 - python==3.9
 - matplotlib # Optional for more colormaps
 - h5py
+- numpy
+- pyside2
+- paskino::eqt
+- importlib_metadata    # [py<38]
+- ccpi::cil-data >=22.0.0
+- pytest
 - pip
 - pip:
   # Have to install Trame via pip due to unavailability on conda
   - trame <3, >=2.1.1  # Unpinned worked with version 2.1.1, should work with higher versions.
-  - vtk==9.1
\ No newline at end of file
+  - vtk==9.1