forge project skeleton

deployment.yaml

---
apiVersion: v1
kind: Service
metadata:
  name: {{build.name}}
spec:
  type: ClusterIP
  selector:
    app: {{build.name}}
  ports:
  - port: 80
    name: http-web
    targetPort: http-api
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: {{build.name}}
spec:
  replicas: {{build.profile.replicas}}
  strategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: {{build.name}}
    spec:
      containers:
      - name: web
        image: {{build.images[build.profile.container]}}
        ports:
        - name: http-api
          containerPort: 3000
{% if build.profile.name == "dev" %}
        volumeMounts:
        - name: shared-data
          mountPath: /usr/src/service
      volumes:
      - name: shared-data
        hostPath:
          path: /path/to/root/services/web
{% endif %}

directory structure

<root>
   |
   +-- service.yaml
   |
   +-- k8s/deployment.yaml
   |
   +-- dev-node8.dockerfile
   |
   +-- prod-node8.dockerfile

service.yaml

name: my-service

containers:
- name: dev
  dockerfile: dev-node8.dockerfile
- name: prod
  dockerfile: prod-node8.dockerfile

profiles:
  prod:
    container: prod
    replicas: 2
  canary:
    container: prod
    replicas: 2
    weight: 2.0
  dev:
    container: dev
    replicas: 1

branches:
  master: prod
  '*': dev