--- apiVersion: apps/v1 kind: Deployment metadata: name: deployment-pma labels: app: phpmyadmin spec: replicas: 1 selector: matchLabels: app: phpmyadmin template: metadata: labels: app: phpmyadmin spec: containers: - name: phpmyadmin image: phpmyadmin ports: - containerPort: 80 env: - name: PMA_HOST value: service-mariadb - name: PMA_PORT value: "3306" - name: MYSQL_ROOT_PASSWORD valueFrom: secretKeyRef: name: secret-mariadb key: MYSQL_ROOT_PASSWORD