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mlp-java-service-template

This repository is a project template for creating a new Caila service.

Caila is a platform for hosting microservices based on ML models. It is a powerful tool that can cover every aspect of your solution’s lifecycle, from model training and QA to deployment and monitoring.

Create a new project from this template to start developing a service of your own!

Get started

Start by getting yourself acquainted with the contents of Main.kt. In terms of features, this is a simple “Hello World” service:

  • It has no fit method, so it can’t be trained.
  • Its predict method returns a greeting message on action hello to whatever’s passed as the name in the request body.
  • Its predict method also can return an environment overrides on action envs.

The service relies on the Caila Java SDK to expose its functionality to the platform.

Build Docker image

To build the service locally, run ./build.sh in the project root. You need to have Docker Engine installed and running.

The build script will create a Docker image, push it to the public Caila Docker registry, and print the image URL to the console:

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Docker image: docker-pub.caila.io/caila-public/mlp-hello-world-service-xxxxxxxxxxxxxxxx:master
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You will need this URL to configure your service in Caila.

⚠ The public Caila Docker registry has a limited storage time and is intended for educational purposes only. Do not use it for production.

Create Caila service

  1. Sign in to Caila or sign up for a new account.
  2. Go to My space and select Images in the sidebar.

    🛈 If you don’t see this tab, go to My space → Services, select Create service, and submit a request for access. Our customer support team will get back to you shortly.

  3. Select Create image. Provide the image name and the URL you got from the build script.
  4. On the image description page, select Create service. Provide the service name and leave the other settings at their defaults.
  5. You should now see your service in the Services tab. Go to its details page and select Diagnostics.
  6. Select Add instance. Wait for the instance to start (the status indicator should turn from yellow to green).
  7. Go to the Testing and try sending a request with a JSON body like {"action": "hello", "name": "John Doe"}.

If you see "Hello John Doe!" in the output, congratulations! Your service is up and running.

If you would like to learn more about Caila, check out our official documentation.

License

This project is licensed under Apache License 2.0.