Use new package system

datascience-notebook/Dockerfile

@@ -75,12 +75,11 @@ RUN conda install --quiet --yes \
 # Install IJulia as jovyan and then move the kernelspec out
 # to the system share location. Avoids problems with runtime UID change not
 # taking effect properly on the .local folder in the jovyan home dir.
-RUN julia -e 'Pkg.init()' && \
-    julia -e 'Pkg.update()' && \
-    (test $TEST_ONLY_BUILD || julia -e 'Pkg.add("HDF5")') && \
-    julia -e 'Pkg.add("Gadfly")' && \
-    julia -e 'Pkg.add("RDatasets")' && \
-    julia -e 'Pkg.add("IJulia")' && \
+RUN julia -e 'import Pkg; Pkg.update()' && \
+    (test $TEST_ONLY_BUILD || julia -e 'import Pkg; Pkg.add("HDF5")') && \
+    julia -e 'import Pkg; Pkg.add("Gadfly")' && \
+    julia -e 'import Pkg; Pkg.add("RDatasets")' && \
+    julia -e 'import Pkg; Pkg.add("IJulia")' && \
     # Precompile Julia packages \
     julia -e 'using IJulia' && \
     # move kernelspec out of home \