Kubernetes deployment

Just documenting how I got this deployed at a job I'm at

```
apiVersion: v1
kind: Namespace
metadata:
name: dev
labels:
name: dev
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: mailhog
namespace: dev
spec:
replicas: 1
selector:
matchLabels:
service: mailhog
template:
metadata:
labels:
service: mailhog
spec:
containers:
- name: app
image: cd2team/mailhog
imagePullPolicy: IfNotPresent
---
apiVersion: v1
kind: Service
metadata:
name: mailhog
namespace: dev
spec:
type: NodePort
selector:
service: mailhog
ports:
- port: 25
targetPort: 1025
protocol: TCP
name: smtp
- port: 3000
targetPort: 8025
protocol: TCP
name: web
```