Helm makes installing OliveTin on Kubernetes very easy, the official chart is hosted on Artifact Hub.
user@host: helm repo add olivetin https://olivetin.github.io/OliveTin-HelmChart/ user@host: helm install olivetin olivetin/olivetin
You should be able to browse to http://yourserver:1337 (or similar) to get to the web interface.
If you see the OliveTin page popup in your browser, you can jump to the configuration section as the next step.
You can view the raw templates here: https://github.com/OliveTin/OliveTin-HelmChart/tree/main/templates