docker package is not required for dockerspawner

Author: minrk

Dockerfile.jupyterhub

@@ -9,11 +9,6 @@ RUN /opt/conda/bin/conda install psycopg2=2.7 && \
     oauthenticator==0.5.* \
     dockerspawner==0.7.*
 
-# install docker on the jupyterhub container
-RUN wget https://get.docker.com -q -O /tmp/getdocker && \
-    chmod +x /tmp/getdocker && \
-    sh /tmp/getdocker
-
 # Copy TLS certificate and key
 ENV SSL_CERT /srv/jupyterhub/secrets/jupyterhub.crt
 ENV SSL_KEY /srv/jupyterhub/secrets/jupyterhub.key