Add GitHub workflow to build and push docker image

.github/workflows/build-image.yml

@@ -0,0 +1,45 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [ "main" ]
+  release:
+    types: [ "published" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.22'
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Build AMD64 Binary
+      run: env GOOS=linux GOARCH=amd64 go build -o request-info-amd64 .
+
+    - name: Build ARM64 Binary
+      run: env GOOS=linux GOARCH=arm64 go build -o request-info-arm64 .
+
+    - name: Build and push
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        platforms: linux/amd64,linux/arm64
+        push: true
+        tags: renukafernando/request-info:latest