apiVersion: apps/v1 kind: Deployment metadata: labels: app: app name: app namespace: 4labs spec: replicas: 1 selector: matchLabels: app: app strategy: {} template: metadata: labels: app: app spec: containers: - image: instrutordocker/4linux-app:latest name: app env: - name: DB_HOST value: mysql - name: DB_PORT value: "3306" - name: DB_USER value: php - name: DB_PASS value: 4linux - name: DB_NAME value: php