Go docker-ui Projects
Making Docker and Kubernetes management easy.Project mention: Ask HN: What is the best source to learn Docker in 2023? | news.ycombinator.com | 2023-01-29
I'd say that going from Docker Compose to Docker Swarm is the first logical step, because it's included in a Docker install and also uses the same Compose format (with more parameters, such as deployment constraints, like which node hostname or tag you want a certain container to be scheduled on): https://docs.docker.com/compose/compose-file/compose-file-v3... That said, you won't see lots of Docker Swarm professionally anymore - it's just the way the job market is, despite it being completely sufficient for many smaller projects out there, I'm running it in prod successfully so far and it's great.
Another reasonably lightweight alternative would be Hashicorp Nomad, because it's free, simple to deploy and their HCL format isn't too bad either, as long as you keep things simple, in addition to them supporting more than just container workloads: https://www.hashicorp.com/products/nomad That said, if you don't buy into HashiStack too much, then there won't be too much benefit from learning HCL and translating the contents of various example docker-compose.yml files that you see in a variety of repos out there, although their other tools are nice - for example, Consul (a service mesh). This is a nice but also a bit niche option.
Lastly, there is Kubernetes. It's complicated, even more so when you get into solutions like Istio, typically eats up lots of resources, can be difficult to manage and debug, but does pretty much anything that you might need, as long as you have either enough people to administer it, or a wallet that's thick enough for you to pay one of the cloud vendors to do it for you. Personally, I'd look into the lightweight clusters at first, like k0s, MicroK8s, or perhaps the K3s project in particular: https://k3s.io/
I'd also suggest that if you get this far, don't be afraid to look into options for dashboards and web based UIs to make exploring things easier:
- for Docker Swarm and Kubernetes there is Portainer: https://www.portainer.io/
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