About Me

• Former Senior SRE at Padok
• M2 Intern in Quantum Information at QAT Team

apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod
  labels:
    app: nginx
spec:
  containers:
  - name: nginx-container
    image: nginx:1.14.2
    ports:
    - containerPort: 80

• Host closely related containers that need to work together.
• Generally ephemeral and created or destroyed to match the desired state.
• Share data between containers in a Pod.

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2

• Deploy new versions of your application.
• Easily revert to a previous version if something goes wrong.
• Handle increasing load by scaling out pods.

apiVersion: v1
kind: Service
metadata:
  name: nginx-service
spec:
  selector:
    app: nginx
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80
  type: LoadBalancer

• Pods within a cluster can access services through their stable endpoints.
• Services can load-balance traffic to multiple Pod instances.
• Expose Pods to the internet or keep them only within the cluster.

apiVersion: v1
kind: ConfigMap
metadata:
  name: app-config
data:
  log_level: "INFO"
  enable_debug: "true"

• Store configuration files, command-line arguments, environment variables.
• Update configurations without changing the container image.
• Easily integrated with Pods to provide configuration data.