Optimize dockerfile

Author: filippomc

Dockerfile

@@ -11,6 +11,11 @@ RUN yarn install  --network-timeout 1000000000
 COPY webapp .
 RUN yarn build-dev
 
+### Download on a separate stage to run in parallel with buildkit
+FROM jupyter/base-notebook:hub-1.5.0 as downloads
+USER root
+RUN wget --no-check-certificate -O /nyhead.mat https://www.parralab.org/nyhead/sa_nyhead.mat
+
 ###
 FROM jupyter/base-notebook:hub-1.5.0
 ENV NB_UID=jovyan
@@ -31,22 +36,29 @@ COPY  --chown=1000:1000 requirements.txt requirements.txt
 RUN --mount=type=cache,target=/root/.cache python -m pip install --upgrade pip &&\
     pip install -r requirements.txt --prefer-binary
 
-COPY . .
-COPY --from=jsbuild --chown=1000:1000 $FOLDER/webapp/build webapp/build
 
 # ToDo: fixme, for now remove the jupyter hub config json file because it overrides the default
 # and thus removes the frame ancestor cors settings
 RUN rm -f ~/.jupyter/*.json
 RUN chown $NB_UID .
 RUN chown $NB_UID /opt
 RUN rm -Rf workspace
-
-USER $NB_UID
-
 # sym link workspace pvc to $FOLDER
 RUN mkdir -p /opt/workspace
 RUN mkdir -p /opt/user
 
+COPY netpyne_ui netpyne_ui
+COPY utilities utilities
+COPY setup.py .
+COPY  tests tests
+COPY NetPyNE-UI .
+COPY README.rst .
+COPY requirements-test.txt .
+
+USER $NB_UID
+
+
+
 
 ENV NEURON_HOME=/opt/conda
 
@@ -61,15 +73,17 @@ RUN jupyter serverextension enable --py --sys-prefix jupyter_geppetto
 ARG BUILD_ARGS=""
 ARG WORKSPACE_VERSION=master
 RUN --mount=type=cache,target=/root/.cache python -m pip install --upgrade pip &&\
-  python utilities/install.py ${BUILD_ARGS} --workspace $WORKSPACE_VERSION
+  python utilities/install.py ${BUILD_ARGS} --workspace $WORKSPACE_VERSION --npm-skip
 
 
 RUN mv workspace /opt/workspace/tutorials
 RUN chown -R $NB_UID /opt/workspace/tutorials
 RUN ln -s /opt/workspace workspace
 
 RUN jupyter labextension disable @jupyterlab/hub-extension
-RUN wget --no-check-certificate -O $NP_LFPYKIT_HEAD_FILE https://www.parralab.org/nyhead/sa_nyhead.mat
+
+COPY --from=downloads --chown=1000:1000 /nyhead.mat $NP_LFPYKIT_HEAD_FILE
+COPY --from=jsbuild --chown=1000:1000 $FOLDER/webapp/build webapp/build
 
 USER $NB_UID