Here you can find different information related to k8s:

• etcd - what the database type is and why it uses by the k8s:

  • https://learnk8s.io/etcd-kubernetes
  • https://www.ibm.com/cloud/learn/etcd

• StorageClass, PV, PVC

  • https://cloud.ibm.com/docs/containers?topic=containers-kube_concepts
  • https://www.kubermatic.com/blog/keeping-the-state-of-apps-1-introduction-to-volume-and-volumemounts/
  • https://www.kubermatic.com/blog/keeping-the-state-of-apps-4-persistentvolumes-and-persistentvolum/
  • https://www.kubermatic.com/blog/keeping-the-state-of-apps-5-introduction-to-storage-classes/

• sidecar container

  • https://www.containiq.com/post/kubernetes-sidecar-container
  • https://learn.microsoft.com/en-us/azure/architecture/patterns/sidecar

• resource (limit, request) what is it, difference, features

  • https://cloud.google.com/blog/products/containers-kubernetes/kubernetes-best-practices-resource-requests-and-limits
  • https://sysdig.com/blog/kubernetes-limits-requests/
  • https://learnk8s.io/setting-cpu-memory-limits-requests
  • https://kubesphere.io/blogs/understand-requests-and-limits-in-kubernetes/

• StatefulSet and DeamonSet what is it, difference, features

  • https://docs.rafay.co/learn/quickstart/kubernetes/deployments-daemonsets-statefulsets/
  • https://cloudyuga.guru/hands_on_lab/Deployments-vs-StatefulSets-vs-DaemonSets
  • https://dok.community/blog/deployments-vs-statefulsets-vs-daemonsets/
  • https://stackoverflow.com/questions/41583672/kubernetes-deployments-vs-statefulsets

• Liveness probe and Readiness probe

  • https://faun.pub/the-difference-between-liveness-readiness-and-startup-probes-781bd3141079
  • https://developers.redhat.com/blog/2020/11/10/you-probably-need-liveness-and-readiness-probes#example_1__a_static_file_server__nginx_
  • https://komodor.com/learn/kubernetes-readiness-probes-a-practical-guide/

• job/cronjob

  • https://k21academy.com/docker-kubernetes/k8s-jobs-and-cronjobs/#:~:text=Pods%20in%20parallel.-,Kubernetes%20Jobs%20Vs%20CronJobs,or%20significant%20ad%2Dhoc%20actions.
  • https://medium.com/avmconsulting-blog/jobs-cronjobs-in-kubernetes-cluster-d0e872e3c8c8
  • https://www.reddit.com/r/kubernetes/comments/v4jxh8/real_world_use_cases_for_kubernetes_job_or_cronjob/

• configmap what is it, features, use cases

  • https://cloud.google.com/kubernetes-engine/docs/concepts/configmap
  • https://medium.com/avmconsulting-blog/configmaps-in-kubernetes-k8s-2f2ce79d7e66
  • https://unofficial-kubernetes.readthedocs.io/en/latest/tasks/configure-pod-container/configmap/