Make sure to place the sense-ele-firebase-service-account.json file at the root.
Run npm start
Set the hausra key and graphql endpoint as environment variable
export HASURASECRET=HASURA_KEY
export GQLENDPOINT=GRAPH_QL_ENDPOINT
Saving it in ~/.bash_profile is a better option
Run the checkNodes / checkGateways
node cron/checkNodes.js '10 mins' 1
This should most likely be called every x mins as a cron job.