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Please give your recommendation for the minimum software architecture components to build my own Kubernetes cloud where I will migrate my small internet facing Java hobby project, that I currently host on GCP Kubernetes Engine. I will manage it myself.

GCP is too expensive for my hobby project. If I was to let it run idle 24/7, it would cost over ~$500/mo.

With the cheapest of the big local public cloud providers I found, that I could have the same amount of cpu power and ram at ~10% of the GCP cost, making it feasible for 24/7.

The target needs to have all the basic stuff as GCP currently runs:

  • Java workloads on Kubernetes Engine + MySQL + MongoDB.
  • Networking configuration for ssl and load balancing.
  • Logging, Monitoring and Tracing
  • Security and Backups

Cloudflare and Gitlab would be switched to the new server addresses.

Please give your recommendation what software stack do I need to set up for it to be an acceptable replacement. I welcome also recommendations what to add to improve security, and any important components I may have missed, which may not be necessary in GCP, but would be valuable in such self-managed cloud (WAF for example?)

I am ok with setting up everything myself from bare Linux. I want to learn and set it up in the same way as actual "Production environment" would be set up, so no compromises on security.

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Buy a second hand Synology NAS with quadcore and SSD:

enter image description here

  • You will need the quadcore because you have to dedicate CPU to Kubernetes
  • You will need the SSD because it goes faster
  • Ideally find a Synology that can have RAM boosted.

Now that you have your NAS you can:

And voilà, bring your images in and you now have your environment at home.

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  • you are not answering my question about Software. Nowhere in my question I am asking for hardware and that is all you provide. Please share Software recommendations
    – stack3r
    Jun 28, 2023 at 7:39
  • Hello @stack3r , I updated my reply Jun 28, 2023 at 9:15

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