feat: add GitHub Actions workflow for building and testing Go application

Author: guiyumin

.github/workflows/build.yml

@@ -0,0 +1,53 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+      - 'feature/**'
+  pull_request:
+    branches:
+      - main
+      - develop
+
+jobs:
+  build:
+    name: Build and Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+          cache: true
+
+      - name: Install dependencies
+        run: go mod download
+
+      - name: Verify dependencies
+        run: go mod verify
+
+      - name: Run go vet
+        run: go vet ./...
+
+      - name: Run tests
+        run: go test -v -race -coverprofile=coverage.txt -covermode=atomic ./...
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          file: ./coverage.txt
+          fail_ci_if_error: false
+
+      - name: Build for Linux amd64
+        run: |
+          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/node-pulse/agent/cmd.Version=dev-${{ github.sha }}" -o dist/nodepulse-linux-amd64 .
+
+      - name: Build for Linux arm64
+        run: |
+          CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w -X github.com/node-pulse/agent/cmd.Version=dev-${{ github.sha }}" -o dist/nodepulse-linux-arm64 .