add-docker-build-action (#4)

Author: engel80

.github/workflows/build.yml

@@ -7,8 +7,14 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 jobs:
-  build:
-    name: Build
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build the Docker image
+      run: cd app && docker build . -t python-ping-api:$(date +%s)
+  sonarqube:
+    name: Sonarqube
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2

README.md

@@ -1,6 +1,6 @@
 # Python sample project for GKE
 
-[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=DevSecOpsSamples_gke-python-api&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=DevSecOpsSamples_gke-python-api) [![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=DevSecOpsSamples_gke-python-api&metric=ncloc)](https://sonarcloud.io/summary/new_code?id=DevSecOpsSamples_gke-python-api)
+[![Build](https://github.com/DevSecOpsSamples/gke-python-api/actions/workflows/build.yml/badge.svg)](https://github.com/DevSecOpsSamples/gke-python-api/actions/workflows/build.yml) [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=DevSecOpsSamples_gke-python-api&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=DevSecOpsSamples_gke-python-api) [![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=DevSecOpsSamples_gke-python-api&metric=ncloc)](https://sonarcloud.io/summary/new_code?id=DevSecOpsSamples_gke-python-api)
 
 The sample project to deploy Python REST API application, Service, HorizontalPodAutoscaler, Ingress, and BackendConfig on GKE.