Deploy application to kubernetes about openstreetmap-tile-server

[MaRaSu]

Writing Helm chart & yaml to deploy openstreetmap-tile-server is relatively straightforward once you get your head around kubernetes basic concepts. It's a bit steeper hill to climb than trying to just convert Docker compose files, however not sure how much success you will have in debugging any kubernetes issues if you do not spend time mastering the basics.

Where the difficulty was in deploying tile server was in how kubernetes (storage) volumes handling differs from Docker. Forked this repo and added couple of tweaks to Dockerfile + run.sh to handle those.

[ihadeed]

• create a VolumeClaim to hold the map data
• run a Deployment with that VolumeClaim mounted, let this Deployment handle the data import
• run another Deployment with a modified Dockerfile that wraps this one. It should wait until the first Deployment has ran and exited, before running the server.. just need to make sure they're in the same namespace
• you can then create a cronjob to update your data, or just enable auto updates via the environment variable

If this image lets you serve & import data at the same time, then you don't need that wrapper with the wait functionality, you can deploy everything at once. Just need to set restart: never on the import Pod.