Update Dockerfile for Binder release 0.8
@@ -32,7 +32,7 @@ RUN adduser --disabled-password \
# copy repo in /home/gammapy
# COPY . ${HOME}
-RUN gammapy download tutorials --out=${HOME}/gammapy-tutorials
+RUN gammapy download tutorials --out=${HOME}/gammapy-tutorials --release=0.8
# setting ownerships
USER root
