General
https://www.mongodb.com/blog/post/the-modern-application-stack-part-1-introducing-the-mean-stack - source for a lot of the above
https://www.mongodb.com/
http://expressjs.com/
https://nodejs.org/en/
https://reactjs.org/
https://facebook.github.io/jsx/
Courses and tutorials
Mern
[https://hashnode.com/post/react-tutorial-using-mern-stack-ciiyus9m700qqge53mer0isxz]
mongo
https://university.mongodb.com/courses/catalog
https://www.tutorialspoint.com/mongodb/index.htm
https://www.w3schools.com/nodejs/nodejs_mongodb.asp
Express
http://expressjs.com/ - has a Guide, and a Resources section - containing FAQs and books etc
https://www.tutorialspoint.com/expressjs/index.htm
https://developer.mozilla.org/en-US/docs/Learn/Server-side/Express_Nodejs
react
https://reactjs.org/tutorial/tutorial.html
https://www.tutorialspoint.com/reactjs/index.htm
https://www.codecademy.com/learn/react-101
https://hackernoon.com/how-to-combine-a-nodejs-back-end-with-a-reactjs-front-end-app-ea9b24715032
https://daveceddia.com/create-react-app-express-backend/
node
https://www.w3schools.com/nodejs/default.asp
https://www.tutorialspoint.com/nodejs/index.htm
https://www.airpair.com/javascript/node-js-tutorial
Certification
https://foundation.nodejs.org/resources/certification
Publish Book
http://expressjs.com/en/resources/books-blogs.html
Links used - Leigh
https://hackernoon.com/how-to-combine-a-nodejs-back-end-with-a-reactjs-front-end-app-ea9b24715032
https://hashnode.com/post/react-tutorial-using-mern-stack-ciiyus9m700qqge53mer0isxz
http://mherman.org/blog/2016/12/23/building-a-restful-api-with-node-and-flow/
Photo upload
https://medium.com/ecmastack/uploading-files-with-react-js-and-node-js-e7e6b707f4ef
https://www.youtube.com/watch?v=3f5Q9wDePzY
https://blog.stvmlbrn.com/2017/12/17/upload-files-using-react-to-node-express-server.html
https://medium.com/ecmastack/uploading-files-with-react-js-and-node-js-e7e6b707f4ef
https://gist.github.com/AshikNesin/e44b1950f6a24cfcd85330ffc1713513