Add CI Pipeline correctly

Author: sonu7552

.github/workflows/docker-build.yml

@@ -0,0 +1,26 @@
+name: CI/CD Pipeline - Docker Build
+
+on:
+  push:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@v3
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Build and Push
+      uses: docker/build-push-action@v4
+      with:
+        context: .
+        push: true
+        tags: sonu7552/aspnetrun-realworld:latest