Need the following environment variables.
export APIKEY=
export AUTHDOMAIN=
export DATABASEURL=
export PROJECTID=
export STORAGEBUCKET=
export MESSAGINGSENDERID=
recommendation: direnv/direnv
# install dependencies
$ yarn
# serve with hot reload at localhost:3000
$ yarn dev
# build for production and launch server
$ yarn build
$ yarn start
# generate static project
$ yarn generate