Example how to combine PWA with isomorphic rendering (SSR) used in article https://michaljanaszek.com/blog/combine-pwa-and-isomorphic-rendering
npm install - surprised?
npm run build - build project
or npm run start - develop project (the same as build but with watch)
after start or build run server:
node server for stage 1 - 3
node server.build for stage 4 - 5
Project contains branches stage1 - stage5, each branch represents chapter in article.