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Applying the Config Map

Now that we have a config map, we need to connect it to our deployment.

Assignment

Open up your api-deployment.yaml file. We're going to add a few things to it. Under the containers section, add the following to the first (and only) entry:

env:
  - name: API_PORT
    valueFrom:
      configMapKeyRef:
        name: synergychat-api-configmap
        key: API_PORT

This tells Kubernetes to set the API_PORT environment variable to the value of the API_PORT key in the synergychat-api-configmap config map. Reference the official docs if you're confused about the structure of the yaml.

Next, apply the deployment. Hopefully, you remember the command for this by now.

Once it's applied, you should be able to take a look at the pods and see that a new API pod has been deployed and isn't crashing!

Let's forward the API pod's 8080 port to our local machine so we can test it out.

kubectl port-forward <pod-name> 8080:8080

Make sure it returns a 404 response when you hit the root:

curl http://localhost:8080

Run and submit the CLI tests.