initial import

cloud-provider/google-cloud-sample/.vscode/launch.json

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+{
+    "configurations": [
+        {
+            "name": "Run/Debug on Kubernetes",
+            "type": "cloudcode.kubernetes",
+            "request": "launch",
+            "skaffoldConfig": "${workspaceFolder}/skaffold.yaml",
+            "watch": true,
+            "cleanUp": true,
+            "portForward": true,
+            "imageRegistry": "gcr.io/gobuch-72abe/google-cloud-sample"
+        }
+    ]
+}

cloud-provider/google-cloud-sample/Dockerfile

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+FROM golang:1 as builder
+
+WORKDIR /go/src/app
+COPY *.go .
+RUN CGO_ENABLED=0 go build .
+
+####################################
+
+FROM alpine
+COPY --from=builder /go/src/app/app .
+EXPOSE 8080
+CMD [ "./app" ]

cloud-provider/google-cloud-sample/README.txt

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+
+```
+docker build -t minikube-golang-sample .
+
+kubectl create -f manifest.yml
+kubectl get pod
+kubectl expose deployment golang-sample --type=NodePort
+kubectl get service
+minikube service golang-sample --url
+```

cloud-provider/google-cloud-sample/deployment-manifest.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  creationTimestamp: null
+  labels:
+    app: google-cloud-sample
+  name: google-cloud-sample
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: google-cloud-sample
+  strategy: {}
+  template:
+    metadata:
+      creationTimestamp: null
+      labels:
+        app: google-cloud-sample
+    spec:
+      containers:
+      - image: google-cloud-sample
+        name: google-cloud-sample
+        resources: {}
+        ports:
+          - containerPort: 8080
+status: {}

cloud-provider/google-cloud-sample/main.go

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+package main
+
+import (
+	"fmt"
+	"net/http"
+	"time"
+)
+
+func greet(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "Hello World! %s", time.Now())
+}
+
+func main() {
+	http.HandleFunc("/", greet)
+	http.ListenAndServe(":8080", nil)
+}

cloud-provider/google-cloud-sample/service-manifest.yml

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+# This Service manifest defines:
+# - a load balancer for pods matching label "app: go-hello-world"
+# - exposing the application to the public Internet (type:LoadBalancer)
+# - routes port 80 of the load balancer to the port 8080 of the Pods.
+# Syntax reference https://kubernetes.io/docs/concepts/configuration/overview/
+apiVersion: v1
+kind: Service
+metadata:
+  name: google-cloud-sample-external
+spec:
+  type: LoadBalancer
+  selector:
+    app: google-cloud-sample
+  ports:
+  - name: http
+    port: 80
+    targetPort: 8080

cloud-provider/google-cloud-sample/skaffold.yaml

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+apiVersion: skaffold/v2beta5
+kind: Config
+metadata:
+  name: google-cloud-sample
+build:
+  artifacts:
+    - image: google-cloud-sample
+  tagPolicy:
+    sha256: {}
+deploy:
+  kubectl:
+    manifests:
+      - deployment-manifest.yml
+      - service-manifest.yml