Download the example or clone the repo:
curl https://codeload.github.com/zeit/next.js/tar.gz/master | tar -xz --strip=2 next.js-master/examples/form-handler
cd form-handlerInstall it and run:
npm install
npm run devDeploy it to the cloud with now (download)
nowSometimes handle multiple forms can be tricky, the idea is to have a global reducer with the name of each form and the inputs of it; making accessible everywhere.