updated build pipeline

docker/Dockerfile

@@ -81,10 +81,22 @@ RUN apt-get install -y tk # for dawn
 RUN python3 -m pip install jupyterlab jupyterhub==3.1.1 batchspawner
 RUN ln -s /usr/bin/python3 /usr/bin/python
 
-#finally the package
-ARG INCUBATOR_VER
+
+RUN python3 -m pip install torch-scatter -f https://data.pyg.org/whl/torch-2.1.0+cu118.html
+
+#finally the package; use the commit hash to check out the correct version and only get them here, such that the rest can be cached
+ARG BUILD_DATE
+LABEL org.label-schema.build-date=$BUILD_DATE
+ARG COMMIT
+ARG USER
+
+# copy minicalosim and checkout the correct commit
 ADD minicalosim /root/minicalosim
-RUN cd  && cd minicalosim && mkdir -p build && cd build && cmake ../ && make -j4 &&\  
+
+RUN cd  /root/minicalosim && git checkout $COMMIT && \
+    mkdir -p build && cd build && rm -rf * && cmake ../ && make -j4 &&\  
     cp minicalo* ../bind/G4Calo.py /usr/local/lib/python3.8/dist-packages/
+# clean up
+RUN rm -rf /root/minicalosim