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I’m not too proficient with containers so maybe I am ignorant, but I view containers more like a package manager. A proper golden image pipeline can work well,
by dijonman2 4y ago
I’m not too proficient with containers so maybe I am ignorant, but I view containers more like a package manager.
A proper golden image pipeline can work well, and you can rightsize your workloads easily.
All of the additional features such as ingress controllers and other complexities make debugging a bit obtuse, especially if you are not extremely proficient.
I could be an old curmudgeon but simplicity is my priority.
- lamontcg 4y agoI am also an old curmudgeon. I think its vastly more useful to think of a container as an RPM with layered tarballs, a chroot/jail, and some cgroup isolation. Thinking of them as a virtual machine is the wrong metaphor. Kubernetes replaces the thing we were doing in 2003 blasting around tarballs of software with scp and some scripts to start and stop things, and is the end result of evolving from that point to a much more dynamic one and with cgroups providing the ability to have software teams not quite clobber each other's workloads while running on the same hardware. The problems it solves overlaps with many of the problems that VMs were addressing, but it is like looking at two different species that look quite similar but are in completely different animal families and are just similar because of the similar environment they evolved in.
- vbezhenar 4y agoHow ingress controller makes debugging obtuse? You're using nginx in front of your services anyway, right? Ingress controller is just nginx with some tool autogenerating its config from kubernetes objects. You can view nginx logs easily.