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What does it mean to “cut it down”? Not familiar with k8s personally and unsure if it’s a technical thing or you just stopped using k8s

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I imagine this kind of app is rather monolithic in nature. Maybe a static webapp frontend and then a single backend service? Not much of a point to split it into microservices if there is no real need to independently scale them and you don't have multiple consumers of each independent service. And if you don't need microservices you are probably better off avoiding the overhead of Kubernetes.

The architecture is a static asset server (nginx), basic backend app server (node js), routing engine (Java) which is a fork of graphhopper, fast geocoder named photon (elasticsearch), full OSM places search called Nominatim that feeds photon (postgres) as well as a few asynchronous jobs that pull the latest OSM and transit data then rebuild the search indexes.

This was on a k8s cluster for a bunch of reasons. We eventually scrapped it and put the stack in one box instead of five.

By cut it down I mean, use fewer machines to host it.

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