Kubernetes resources for standing up Express Gateway

1-install.sh

#!/bin/bash

kubectl create -f https://gist.githubusercontent.com/kevinswiber/e6a8245930676c3da3448b2bb79f23fd/raw/0869b72410851e2ab02d0c1c30443f4083345066/configmap.yaml
kubectl create -f https://gist.githubusercontent.com/kevinswiber/e6a8245930676c3da3448b2bb79f23fd/raw/0869b72410851e2ab02d0c1c30443f4083345066/deployment.yaml
kubectl create -f https://gist.githubusercontent.com/kevinswiber/e6a8245930676c3da3448b2bb79f23fd/raw/0869b72410851e2ab02d0c1c30443f4083345066/service.yaml

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: 'https://httpbin.org'
    policies:
      - jwt
      - oauth2
      - proxy
    pipelines:
      - name: default
        apiEndpoints:
          - api
        policies:
         # - jwt:
         #     - action:
         #         checkCredentialExistence: false
         #         secretOrPublicKeyFile: '/app/key.pem'
          - proxy:
              - action:
                  serviceEndpoint: httpbin 
                  changeOrigin: true
  system.config.yml: |
    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

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'

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