Notebook viewer screenshot service based on node-webshot.
Currently, this creates screenshots from nbviewer and posts them to a CDN.
docker run -p 8181:8181 \
-e OS_USERNAME= \
-e OS_PASSWORD= \
-e OS_REGION_NAME= \
-e CONTAINER= \
jupyter/nbshot
Note that this is largely provisional in API use and is only intended as a service for nbviewer itself to use.