first shot here

.github/workflows/maven.yml

@@ -0,0 +1,36 @@
+# 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://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
+
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: [ self-hosted ]
+    defaults:
+      run:
+        working-directory: "DeFi-Data-Engine/DeFi Data Engine/"
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 15
+      uses: actions/setup-java@v3
+      with:
+        java-version: '15'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
+
+#     - run: mvn --batch-mode --update-snapshots verify
+#     - run: mkdir staging && cp target/*.jar staging
+#     - uses: actions/upload-artifact@v3
+#       with:
+#         name: Package
+#         path: staging