Run npm run dev:server (this will be listened on localhost:4000/graphql)
then npm run json:server (localhost:3000/customers)
package used on this project -Express -Express-graphql -axios -json-server -nodemon
Run npm run dev:server (this will be listened on localhost:4000/graphql)
then npm run json:server (localhost:3000/customers)
package used on this project -Express -Express-graphql -axios -json-server -nodemon