kubeadm-kubernetes

Use kubeadm setup kubernetes cluster and enable ingress-rbac, prometheus etc...
Also check sample spring boot kubernetes if you are interesting

Setup Cluster

• Install docker first
• prepare sh prepare-ubuntu.sh or sh prepare-centos.sh
• setup sh setup.sh

Configure Kubectl remote access

copy $HOME/.kube/config to your localhost and edith below section：

apiVersion: v1
clusters:
- cluster:
    insecure-skip-tls-verify: true
    server: https://ip_address:port

Access Dashboard

• Run kubectl proxy
• access http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/
  use the token generated above to login

Serverless(Kubeless)

Click Here to check the samples

Monitor(Prometheus,Grafana,Alert)

Install

follow the instruction Here

Access

• Prometheus

kubectl --namespace monitoring port-forward svc/prometheus-k8s 9090
Then access via http://localhost:9090

• Grafana

kubectl --namespace monitoring port-forward svc/grafana 3000
Then access via http://localhost:3000 and use the default grafana user:password of admin:admin.

• Alert Manager

kubectl --namespace monitoring port-forward svc/alertmanager-main 9093
Then access via http://localhost:9093

See more here

Config Private Docker Registry

• create secret

kubectl create secret docker-registry --dry-run=true secret_name \
--docker-server=<DOCKER_REGISTRY_SERVER> \
--docker-username=<DOCKER_USER> \
--docker-password=<DOCKER_PASSWORD> \
--docker-email=<DOCKER_EMAIL>

• patch secret to default service account
  kubectl patch serviceaccount default -p '{"imagePullSecrets": [{"name": "secret_name"}]}'
  then all the pods created in current namespace will have follow content:

spec:
  imagePullSecrets:
  - name: docker-registry-secret