Files for Running Express Gateway in Kubernetes, Part 2

express-gateway-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: 'express-gateway-config'
data:
  gateway.config.yml: |
    http:
      host: '*'
      port: 8080
    admin:
      host: '0.0.0.0'
      port: 9876
    apiEndpoints:
      api:
        host: '*'
        paths: '/ip'
    serviceEndpoints:
      httpbin:
        url: 'http://httpbin' # Uses kube-dns for Service Discovery.
    policies:
      - proxy
    pipelines:
      - name: default
        apiEndpoints:
          - api
        policies:
          - proxy:
              - action:
                  serviceEndpoint: httpbin 
                  changeOrigin: true
  system.config.yml: |
    # When running in production, you may want to use a real instance of Redis.
    # If so, it's recommended to use an environment varible for your password.
    # You can pull this password from a Secret in Kubernetes and wire it up to 
    # the Deployment.
    db:
      redis:
        emulate: true
        namespace: EG-
    crypto:
      cipherKey: sensitiveKey
      algorithm: aes256
      saltRounds: 10
    session:
      secret: keyboard cat
      resave: false
      saveUninitialized: false
    accessTokens:
      timeToExpiry: 7200000
    refreshTokens:
      timeToExpiry: 7200000
    authorizationCodes:
      timeToExpiry: 7200000

express-gateway-deployment.yaml

apiVersion: apps/v1beta2 # for Kubernetes v1.9.x, use apps/v1
kind: Deployment
metadata:
  name: express-gateway
  labels:
    app: express-gateway
spec:
  selector:
    matchLabels:
      app: express-gateway
  template:
    metadata:
      labels:
        app: express-gateway
    spec:
      volumes:
        - name: config
          configMap:
            name: express-gateway-config
      containers:
        - name: express-gateway
          image: expressgateway/express-gateway:latest
          imagePullPolicy: Always
          env:
            - name: EG_CONFIG_DIR
              value: '/usr/src/app/config'
            - name: LOG_LEVEL
              value: debug
          ports:
            - name: gateway
              containerPort: 8080
            - name: admin
              containerPort: 9876
          volumeMounts:
            - name: config
              mountPath: '/usr/src/app/config/system.config.yml'
              subPath: 'system.config.yml'
            - name: config
              mountPath: '/usr/src/app/config/gateway.config.yml'
              subPath: 'gateway.config.yml'

express-gateway-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: express-gateway-service
spec:
  selector:
    app: express-gateway
  type: NodePort
  ports:
    - name: 'gateway'
      port: 80
      targetPort: 'gateway'
      nodePort: 31313
      protocol: TCP
    - name: 'admin'
      port: 9876
      targetPort: 'admin'
      nodePort: 31314
      protocol: TCP

httpbin-deployment.yaml

---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: httpbin
spec:
  replicas: 1
  selector:
    matchLabels:
      app: httpbin
  template:
    metadata:
      labels:
        app: httpbin
        version: v1
    spec:
      containers:
      - image: docker.io/citizenstig/httpbin
        imagePullPolicy: IfNotPresent
        name: httpbin
        ports:
        - containerPort: 8000

httpbin-service.yaml

---
apiVersion: v1
kind: Service
metadata:
  name: httpbin
  labels:
    app: httpbin
spec:
  ports:
  - name: http
    protocol: TCP
    port: 80
    targetPort: 8000
  selector:
    app: httpbin