Deploy Kotlin Applications to Kubernetes (Minikube) without Dockerfiles

by lotharschulz 4 years ago

GNU/Linux ◆ xterm-256color ◆ bash 1229 views

Deploy Ktor applications instantly to Kubernetes - in this case Minikube - without Dockerfiles. A showcase how to create docker images with kotlin, gradle and jib. The docker image is pushed instantly to local docker. Afterwards the updated docker image is deployed to the Kubernetes cluster on Minikube. Kubernetes uses the updated docker image and rolls the deployment.

kotlin, ktor, gradle, jib, skaffold, kubernetes (Minikube) rocks ;-)

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 274547.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/274547.cast',
      document.getElementById('player'),
      { cols: 149, rows: 38 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't offer GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed run the following command to create GIF file:

agg https://asciinema.org/a/274547 274547.gif

Or, if you already downloaded the recording file:

agg 274547.cast 274547.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.