build(gateway): add github workflow (#2)

* build(gateway): add github workflow

* build(gateway): update docker repository

* ci(gateway): add kubernetes config

* ci(gateway): add kubernetes config

Author: leonkappes

.github/workflows/build.yml

@@ -0,0 +1,23 @@
+name: Docker Build & Publish
+
+on:
+  push:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Build Image
+        env:
+          DOCKER_PASSWD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          docker login -u theleede -p $DOCKER_PASSWD
+          docker build -t ryss/gateway-service . -f Dockerfile
+          docker tag ryss/gateway-service ryss/gateway-service:latest
+          docker tag ryss/gateway-service ryss/gateway-service:${GITHUB_SHA::8}
+      - name: Push Image
+        if: github.ref == 'refs/heads/master'
+        run: docker push ryss/gateway-service   

Chart.yaml

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+name: gateway-service
+version: 0.1

Dockerfile

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+FROM gradle AS build
+COPY --chown=gradle:gradle . /home/gradle/src
+WORKDIR /home/gradle/src
+RUN gradle clean shadowJar --no-daemon
+
+FROM adoptopenjdk:8-jre-openj9
+RUN mkdir /app
+COPY --from=build /home/gradle/src/build/libs/*.jar /app/gateway-service.jar
+CMD ["java", "-jar", "/app/gateway-service.jar"]

templates/config.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: gateway-config
+data:
+  GATEWAY_SERVICE_INFLUXDB_ADDRESS: ''
+  GATEWAY_SERVICE_INFLUXDB_TOKEN: ''
+  GATEWAY_SERVICE_INFLUXDB_ORG: ''
+  GATEWAY_SERVICE_INFLUXDB_BUCKET: ''
+  GATEWAY_SERVICE_SENTRY_DSN: ''

templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: gateway-service-deployment
+  labels:
+    keel.sh/trigger: poll
+    keel.sh/match-tag: "true"
+    keel.sh/policy: "force"
+  annotations:
+    keel.sh/pollSchedule: "@every 1m"
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: gateway-service
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 25%
+  template:
+    metadata:
+      labels:
+        app: gateway-service
+    spec:
+      containers:
+      - name: site
+        image: ryss/gateway-service:latest
+        envFrom:
+        - configMapRef:
+            name: gateway-config
+        imagePullPolicy: Always
+        ports:
+          - containerPort: 3500

templates/ingress.yaml

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+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: gateway-service-ingress
+
+spec:
+  routes:
+  - match: Host(`api.ryss.app`)
+    kind: Rule
+    services:
+    - name: gateway-service-service
+      port: 80

templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: gateway-service-service
+spec:
+  ports:
+   - name: tcp
+     port: 80
+     protocol: TCP
+     targetPort: 3500
+  selector:
+    app: gateway-service
+  type: LoadBalancer
+  loadBalancerIP: 192.168.1.10