apiVersion: extensions/v1beta1 kind: Deployment metadata: annotations: deployment.kubernetes.io/revision: "1" generation: 1 labels: run: smtp-server name: smtp-server namespace: monitoring spec: replicas: 1 selector: matchLabels: run: smtp-server strategy: rollingUpdate: maxSurge: 1 maxUnavailable: 1 type: RollingUpdate template: metadata: creationTimestamp: null labels: run: smtp-server spec: containers: - image: carlosedp/docker-smtp imagePullPolicy: Always name: smtp-server ports: - containerPort: 25 protocol: TCP env: - name: GMAIL_USER value: "youremail@gmail.com" - name: GMAIL_PASSWORD value: "yourpassword" - name: DISABLE_IPV6 value: "True" - name: RELAY_DOMAINS value: ":192.168.0.0/24:10.0.0.0/16" resources: {} restartPolicy: Always replicas: 1 --- apiVersion: v1 kind: Service metadata: labels: run: smtp-server name: smtp-server namespace: monitoring spec: ports: - nodePort: 30025 port: 25 protocol: TCP targetPort: 25 selector: run: smtp-server type: NodePort