Added GitHub action to Maven build.

.github/workflows/build.yml

@@ -0,0 +1,31 @@
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: Build with Maven
+
+on:
+  push:
+    branches: [ "main", "develop" ]
+  pull_request:
+    branches: [ "main", "develop" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 21
+        uses: actions/setup-java@v3
+        with:
+          java-version: '21'
+          distribution: 'corretto'
+          cache: maven
+      - name: Build Package
+        run: ./mvnw -B package --file pom.xml

README.md

@@ -4,6 +4,8 @@
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![code of conduct](https://img.shields.io/badge/Conduct-Contributor%20Covenant%202.1-purple.svg)](CODE_OF_CONDUCT.md)
 
+![Build with Maven](https://github.com/amusarra/quarkus-mtls-auth/actions/workflows/build.yml/badge.svg)
+
 This tutorial project is linked to the article [Implementazione di TLS Mutual Authentication (mTLS) con Quarkus](https://bit.ly/3MQPA3v) published on Antonio Musarra Blog. To use the project properly I therefore recommend you read the article that will guide you step by step.
 
 ## Architecture Overview