Adding a nodejs cron job to your Hasura ProjectΒΆ

hasura/nodejs-cron is a quickstart that you can find on Hasura Hub.

It consists of a simple nodejs-cron job running which prints something to the console based on the specified time interval.

The name of the microservice is cron, to get this cron job in your project:

# ensure that you are inside your project directory
hasura microservice clone cron --from hasura/nodejs-cron

You will now have this microservice inside your microservices/cron directory. You can find the source code for the cron job inside microservices/cron/src/server.js

Next, we have to ensure that HasuraCtl knows that this microservice needs to be git pushed. To do this, we need to add configuration to your conf/ci.yaml file so that git push hasura master will automatically deploy your source code, build the docker image, and rollout the update!

$ hasura conf generate-remote cron >> conf/ci.yaml

Since this is a microservice running a cron, it can be a headless microservice which is not exposed via an external URL.

Optionally, if you do want to expose the microservice via an external URL

$ hasura conf generate-route cron >> conf/routes.yaml

To deploy this microservice to your cluster:

# Ensure that you are inside your project directory
git add microservices/cron && git commit -m "Added nodejs cron job"
git push hasura master
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