Add Docker

.github/workflows/docker.yml

@@ -0,0 +1,20 @@
+name: Docker Build
+
+on:
+  push:
+  workflow_dispatch:
+    inputs:
+      name:
+        description: 'GitHub Actions'
+        required: true
+        default: 'GitHub Actions'
+
+jobs:
+  JDK17:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Build Image
+        run: docker build -f docker/Dockerfile -t expressgateway:build .

docker/Dockerfile

@@ -0,0 +1,8 @@
+FROM maven:3.9.8-amazoncorretto-21-al2023
+
+WORKDIR /usr/app
+COPY . .
+
+RUN mvn -ntp -B clean package -DskipTests
+
+ENTRYPOINT ["java", "-XX:+UseShenandoahGC", "-jar", "/usr/app/bootstrap/bootstrap-0.0.1-a.jar"]