feat: add Docker build and deployment workflow

.gitea/workflows/deploy.yaml

@@ -34,7 +34,23 @@ jobs:
         run: |
           cd ${{ gitea.workspace }}
           go test -cover ./...
+      - name: Go build
+        run: |
+          cd ${{ gitea.workspace }}
+          go build -ldflags "-X main.version=1.0.0-${{ gitea.sha }}" -o helloapp .
       - name: Check Docker
         run: |
           docker --version
+      - name: Build Docker image
+        run: |
+          cd ${{ gitea.workspace }}
+          docker build -t localhost:8180/k8s-example/k8s-example:${{ gitea.sha }} .
+      - name: Push Docker image to local registry
+        run: |
+          docker push localhost:8180/k8s-example/k8s-example:${{ gitea.sha }}
+      - name: Deploy to Kubernetes
+        run: |
+          cd ${{ gitea.workspace }}
+          sed -i "s|localhost:8180/k8s-example/k8s-example:latest|localhost:8180/k8s-example/k8s-example:${{ gitea.sha }}|g" .gitea/workflows/deploy.yaml
+          kubectl apply -f .gitea/workflows/deploy.yaml
       - run: echo "🍏 This job's status is ${{ job.status }}."

.gitignore

@@ -1,2 +1,4 @@
 *.exe
 *.prof
+certs/*
+helloapp

Dockerfile

@@ -0,0 +1,7 @@
+FROM ubuntu:ci
+
+RUN mkdir -p /var/deploy
+
+COPY helloapp /var/deploy/helloapp
+
+CMD ["/var/deploy/helloapp"]

deployment.yaml

@@ -0,0 +1,38 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: k8s-example
+spec:
+  selector:
+    app: k8s-example
+  ports:
+  - port: 8800
+    targetPort: 8800
+  type: LoadBalancer
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: k8s-example
+spec:
+  selector:
+    matchLabels:
+      app: k8s-example
+  template:
+    metadata:
+      labels:
+        app: k8s-example
+    spec:
+      containers:
+      - name: k8s-example
+        image: localhost:8180/k8s-example/k8s-example:latest
+        imagePullPolicy: IfNotPresent
+        resources:
+          requests:
+            memory: "128Mi"
+            cpu: "500m"
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        ports:
+        - containerPort: 8800

main.go

@@ -1,12 +1,19 @@
 package main
 
 import (
+	"fmt"
 	"k8s-example/hello"
 	"net/http"
 )
 
+var (
+	version = "1.0.0-local"
+)
+
 func main() {
 	http.HandleFunc("/hello", hello.Handler)
+
+	fmt.Println("server on :8800, version:", version)
 	err := http.ListenAndServe(":8800", nil)
 	if err != nil {
 		panic(err)