apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-volume
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
      - name: mysql
        image: mysql:latest
        ports:
        - containerPort: 3306
        volumeMounts:
        - name: mysql-volume
          mountPath: /var/lib/mysql
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: password
        - name: MYSQL_DATABASE
          value: wordpress
        - name: MYSQL_USER
          value: wordpress
        - name: MYSQL_PASSWORD
          value: password
      volumes:
      - name: mysql-volume
        persistentVolumeClaim:
          claimName: mysql-volume

---
apiVersion: v1
kind: Service
metadata:
  name: mysql-service
spec:
  selector:
    app: mysql
  ports:
  - port: 3306
    targetPort: 3306

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: wordpress-volume
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: wordpress
spec:
  replicas: 2
  selector:
    matchLabels:
      app: wordpress
  template:
    metadata:
      labels:
        app: wordpress
    spec:
      containers:
      - name: wordpress
        image: wordpress:latest
        ports:
        - containerPort: 80
        volumeMounts:
        - name: wordpress-volume
          mountPath: /var/www/html
        env:
        - name : WORDPRESS_DB_HOST
          value: mysql-service
        - name: WORDPRESS_DB_PASSWORD
          value: password
        - name: WORDPRESS_DB_USER
          value: wordpress
        - name: WORDPRESS_DB_NAME
          value: wordpress
      volumes:
      - name: wordpress-volume
        persistentVolumeClaim:
          claimName: wordpress-volume

---
apiVersion: v1
kind: Service
metadata:
  name: wordpress
spec:
  type: LoadBalancer
  selector:
    app: wordpress
  ports:
  - port: 80
    targetPort: 80

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      containers:
      - name: prometheus
        image: prom/prometheus:v2.30.3
        args:
          - "--config.file=/etc/prometheus/prometheus.yml"
          - "--storage.tsdb.path=/prometheus"
          - "--web.console.libraries=/etc/prometheus/console_libraries"
          - "--web.console.templates=/etc/prometheus/consoles"
        ports:
          - containerPort: 9090

---
apiVersion: v1
kind: Service
metadata:
  name: prometheus
spec:
  selector:
    app: prometheus
  ports:
    - port: 9090
      targetPort: 9090

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana
spec:
  replicas: 1
  selector:
    matchLabels:
      app: grafana
  template:
    metadata:
      labels:
        app: grafana
    spec:
      containers:
      - name: grafana
        image: grafana/grafana:latest
        ports:
        - containerPort: 3000
        resources:
          requests:
            memory: "512Mi"
            cpu: "500m"
          limits:
            memory: "800Mi"
            cpu: "1000m"

---
apiVersion: v1
kind: Service
metadata:
  name: grafana
spec:
  type: LoadBalancer
  selector:
    app: grafana
  ports:
  - protocol: TCP
    port: 3000
    targetPort: 3000