Hello World - Scala using Akka HTTP

    Follow the steps below to create the sample code and then deploy the app to your cluster. You can also download a working copy of the sample, by running the following commands:

    • A Kubernetes cluster installation with Knative Serving up and running.

    Configuring the Service descriptor

    Importantly, in service.yaml change the image reference to match up with your designated repository, i.e. replace {username} with your Dockerhub username in the example below.

    1. apiVersion: serving.knative.dev/v1
    2. kind: Service
    4.   name: helloworld-scala
    5.   namespace: default
    6. spec:
    7.   template:
    9.       - image: docker.io/{username}/helloworld-scala
    10.         env:
    11.         - name: TARGET
    12.           value: "Scala Sample v1"

    Deploying to Knative Serving

    Apply the Service yaml definition:

    1. kubectl apply --filename service.yaml

    Then find the service host:

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