https://medium.com/@gethylgeorge/setting-up-a-simple-graphql-server-with-node-express-and-mongoose-ff8a1071af53

http://graphql.org/graphql-js/graphql-clients/

passport with graphql tutorial:
https://dev-blog.apollodata.com/a-guide-to-authentication-in-graphql-e002a4039d1

Mongoose Auth tutorial:
https://www.mongodb.com/blog/post/password-authentication-with-mongoose-part-1

Apollo Graphql client:
https://github.com/apollographql/apollo-client