How do I detect I am on server vs client in Next.js

Question

I am using a customer express server with Next.js. It\'s running within a container. I am doing an http request with isomorphic-fetch to get data for my render.

Answer 1

One additional note is that componentDidMount() is always called on the browser. I often load the initial data set (seo content in getInitialProps(), then load more in depth data in the componentDidMount() method.