This sample worker shows how to run and schedule workflows with Temporal using Clojure.

The project layout and some modules (config, XTDB) are from Biff. The objective is to use this scaffold for runner code that does not have any UI stuff. It is easier to do this than to use Biff with a ton of exclusions.

There are two workflows: one says "hello" every minute, and the other one runs on demand and performs a calculation.

Install Temporal, then run

temporal server start-dev

Then start this project.

clj -M:dev dev

You will see this in the logs once a minute:

INFO unifica.worker.sample - Hello

You can also see the HTTP endpoint

curl localhost:8080
OK

Youc an ask this worker for the meaning of life, the universe, and everything.

This adds two to the value of :unifica.worker.sample/origin in resources/config.edn.

You can do this from the shell using this command

clj -M:dev meaning-of-life

Then see the result in the logs:

[main] INFO tasks - result: 42

You can connect to the REPL, and go to dev/repl.clj. You can execute a workflow there and see the result.

In sample.clj, look for the "REPL Zone" comments.

Try to get a new meaning of life value by changing :unifica.worker.sample/origin, then executing (refresh) in one o the REPL Zone comments.

To use with Temporal Cloud, fill out TEMPORAL_PROD_TARGET and TEMPORAL_PROD_NAMESPACE in config.env, and provide certificates in the TEMPORAL_CLIENT_CERT_PATH.