sf-deployment.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: sf-deployment
  labels:
    id: sf-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      id: sf
  template:
    metadata:
      labels:
        id: sf
    spec:
      restartPolicy: Always

      volumes:
        # we create one shared volume for the symfony assets so nginx and php can access those
        - name: sf-public
          emptyDir: {}

      initContainers:
        # this container is of same image as our php container, its executed to initialise our pod.
        # it will mount the shared volume sf-public and copy the (already compiled) symfony assets into it
      - name: init
        image: localhost:5000/wuestkamp_php
        imagePullPolicy: Always
        volumeMounts:
        - mountPath: /tmp/sf-public
          name: sf-public
        command: ['sh', '-c', 'cp -r /var/www/symfony/public/* /tmp/sf-public/; true;']

      containers:
        # the nginx container, it mounts the shared volume to provide assets directly via http response
      - image: localhost:5000/wuestkamp_nginx
        imagePullPolicy: Always
        name: nginx
        ports:
        - containerPort: 80
        volumeMounts:
          - mountPath: /var/www/symfony/public
            name: sf-public

        # the php container
      - image: localhost:5000/wuestkamp_php
        imagePullPolicy: Always
        name: php
        volumeMounts:
        - mountPath: /var/www/symfony/public
          name: sf-public
        env:
        - name: APP_ENV
          value: dev
        - name: PHP_POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name