deno run --allow-net=0.0.0.0:4001 --watch api.ts
export APOLLO_KEY=<your api key>
export APOLLO_GRAPH_REF=<your graph ref>
export APOLLO_ROVER_DEV_ROUTER_VERSION=2.2.0-preview.0
rover dev --supergraph-config supergraph.yaml --router-config router.yaml
query Query {
users {
id
name
username
}
}