Create PR build and status badge

Author: robrich

.dockerignore

@@ -19,6 +19,8 @@
 .DS_Store
 # secrets
 .env
+k8s.yaml
+Dockerfile
 # non-production files
 appsettings.*.json
 **/launchSettings.json

.github/workflows/docker-pr.yaml

@@ -0,0 +1,22 @@
+name: Docker build a PR
+
+on:
+  push:
+    branches:
+    - '!main'
+  pull_request:
+    branches:
+    - '**'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - uses: actions/checkout@v4
+
+      - name: docker build a PR
+        run: |
+          docker build -t levelupdevops-pr:${{ github.sha }} .

README.md

@@ -1,6 +1,8 @@
 Level-up Your DevOps with GitHub Actions and Kubernetes
 =======================================================
 
+[![Docker build, Kubernetes Run](https://github.com/robrich/levelup-devops-github-actions-kubernetes/actions/workflows/docker-kubernetes.yaml/badge.svg)](https://github.com/robrich/levelup-devops-github-actions-kubernetes/actions/workflows/docker-kubernetes.yaml)
+
 This is a live demo of GitHub Actions deploying a Docker container to Kubernetes.
 
 License