kind: Pod

spec.
spec.containers
spec.initContainers
spec.securityContext
spec.volumes
spec.nodeSelector

Nginx:

 apiVersion: v1
kind: Pod
metadata:
  name: nginx
  labels:
    env: test
spec:
  containers:
  - name: nginx
    image: nginx
    imagePullPolicy: IfNotPresent
  nodeSelector:
    disktype: ssd

Alpine container to access a PV:

 apiVersion: v1
kind: Pod
metadata:
  name: myalpinewithvolume
spec:
  containers:
  - name: alpine
    image: alpine:latest
    command: ['ash']
    tty: true
    stdin: true
    volumeMounts:
    - name: myvolume
      mountPath: /myvolume
  volumes:
  - name: myvolume
    persistentVolumeClaim:
      claimName: myPVCtoMount

https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

---
apiVersion: v1
kind: Pod
metadata:
  name: frontend
spec:
  containers:
  - name: app
    image: images.my-company.example/app:v4
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"
  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

initContainers

https://kubernetes.io/docs/concepts/workloads/pods/init-containers/#init-containers-in-use

apiVersion: v1
kind: Pod
metadata:
 name: myapp-pod
 labels:
   app: myapp
spec:
 containers:
 - name: myapp-container
   image: busybox:1.28
   command: ['sh', '-c', 'echo The app is running! && sleep 3600']
 initContainers:
 - name: init-myservice
   image: busybox:1.28
   command: ['sh', '-c', "until nslookup myservice.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo  waiting for myservice; sleep 2; done"]
 - name: init-mydb
   image: busybox:1.28
   command: ['sh', '-c', "until nslookup mydb.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for mydb; sleep 2; done"]

securityContext

apiVersion: v1
kind: Pod
metadata:
  name: security-context-demo
spec:
  securityContext:
    runAsUser: 1000
    runAsGroup: 3000
    fsGroup: 2000
  volumes:
  - name: sec-ctx-vol
    emptyDir: {}
  containers:
  - name: sec-ctx-demo
    image: busybox:1.28
    command: [ "sh", "-c", "sleep 1h" ]
    volumeMounts:
    - name: sec-ctx-vol
      mountPath: /data/demo
    securityContext:
      allowPrivilegeEscalation: false

Related

• dnsPolicy:
• Kubernetes init containers
• autoScaler:
• envFrom:
• LivenessProbe
• lifecycle:
• ports:
• Kubernetes, env:
• nodeName
• NodeSelector
• kind: ReplicaSet
• kubectl run
• Configure a Security Context for a Pod or Container
• Resource Management for Pods and Containers

See also

• kind: Pod: spec.containers, spec.initContainers, spec.volumes, spec.securityContext
• Pods: kubectl apply, kubectl [ pod get | top | delete | describe pods ], InitContainers, PodInitializing, CrashLoopBackOff, ImagePullPolicy:, NodeAffinity, NodeSelector, Terminated