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wordpress + mysql 환경을 docker-compose 올려보기

version: "3"

services:
  wordpress:
    image: wordpress:5.5.3-apache
    environment:
      WORDPRESS_DB_HOST: mysql
      WORDPRESS_DB_PASSWORD: password
    ports:
      - "3000:80"

  mysql:
    image: mariadb:10.7
    environment:
      MYSQL_ROOT_PASSWORD: password

docker-compose -d up

wordpress + mysql 환경을 쿠버네티스로 배포하기

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컨테이너를 Pod으로 감싸고, 그것을 ReplicaSet으로 감싸고, 그것을 Deployment로 감싼 후 Service 들로 연결하기. 이 구성을 할 수 있으면 쿠버네티스를 할 수 있는 수준

apiVersion: apps/v1
kind: Deployment
metadata:
  name: wordpress-mysql
  labels:
    app: wordpress
spec:
  selector:
    matchLabels:
      app: wordpress
      tier: mysql
  template:
    metadata:
      labels:
        app: wordpress
        tier: mysql
    spec:
      containers:
        - image: mariadb:10.7
          name: mysql
          env:
            - name: MYSQL_ROOT_PASSWORD
              value: password
          ports:
            - containerPort: 3306
              name: mysql

---
apiVersion: v1
kind: Service
metadata:
  name: wordpress-mysql
  labels:
    app: wordpress
spec:
  ports:
    - port: 3306
  selector:
    app: wordpress
    tier: mysql

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: wordpress
  labels:
    app: wordpress
spec:
  selector:
    matchLabels:
      app: wordpress
      tier: frontend
  template:
    metadata:
      labels:
        app: wordpress
        tier: frontend
    spec:
      containers:
        - image: wordpress:5.5.3-apache
          name: wordpress
          env:
            - name: WORDPRESS_DB_HOST
              value: wordpress-mysql
            - name: WORDPRESS_DB_PASSWORD
              value: password
          ports:
            - containerPort: 80
              name: wordpress

---
apiVersion: v1
kind: Service
metadata:
  name: wordpress
  labels:
    app: wordpress
spec:
  type: NodePort
  ports:
    - port: 80
  selector:
    app: wordpress
    tier: frontend

1kubectl apply -f wordpress-k8s.yml

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kubectl get all