[Gradle] Introduce Gradle Build

.github/workflows/ci.yml

@@ -6,7 +6,7 @@
 # separate terms of service, privacy policy, and support
 # documentation.
 
-name: Java CI with Maven
+name: Java CI with Gradle
 
 on:
   push:
@@ -22,12 +22,12 @@ jobs:
     steps:
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
 
-    - name: Set up JDK 23
+    - name: Set up JDK 25
       uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5
       with:
-        java-version: '23'
+        java-version: '25'
         distribution: 'zulu'
-        cache: maven
+        cache: gradle
 
-    - name: Maven test
-      run: mvn test --batch-mode
+    - name: Gradle test
+      run: ./gradlew test

.github/workflows/publish-release.yml

@@ -1,7 +1,4 @@
-# This workflow will build a package using Maven and then publish it to GitHub packages when a release is created
-# For more information see: https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#apache-maven-with-a-settings-path
-
-name: Maven Package
+name: Gradle Publish
 
 on:
   release:
@@ -18,21 +15,19 @@ jobs:
     steps:
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
 
-    - name: Set up JDK 23
+    - name: Set up JDK 25
       uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5
       with:
-        java-version: '23'
+        java-version: '25'
         distribution: 'zulu'
-#         server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
-#         settings-path: ${{ github.workspace }} # location for the settings.xml file
 
-    - name: Build with Maven
-      run: mvn -B deploy
+    - name: Build with Gradle
+      run: ./gradlew publish
 
     - name: Add output files to the Github release
       shell: bash
       run: |
-        gh release upload $TAG target/diagnostics-${TAG:1}-dist.zip target/diagnostics-${TAG:1}-dist.zip.sha256
+        gh release upload $TAG build/distributions/diagnostics-${TAG:1}-dist.zip build/distributions/diagnostics-${TAG:1}-dist.zip.sha256
       env:
         GITHUB_TOKEN: ${{ github.TOKEN }}
         TAG: ${{ github.event.release.tag_name }}

.gitignore

@@ -55,7 +55,6 @@ crashlytics-build.properties
 ### Eclipse ###
 *.pydevproject
 .metadata
-.gradle
 bin/
 tmp/
 *.tmp
@@ -91,23 +90,15 @@ local.properties
 .texlipse
 
 
-### Maven ###
-target/
-pom.xml.tag
-pom.xml.releaseBackup
-pom.xml.versionsBackup
-pom.xml.next
-release.properties
-dependency-reduced-pom.xml
-buildNumber.properties
+### Gradle ###
+.gradle/
+build/
 
 .DS_Store
 
-
-
 ./diagnostic-output
 ### VSCode
 .vscode/launch.json
 
 ### Temporary diags
-*.zip
+*.zip

CONTRIBUTING.md

@@ -60,10 +60,10 @@ Note: `ossrh` matches the `id` used in the `pom.xml`. You can use any version of
 Once the `settings.xml` is setup, you can run
 
 ```
-mvn clean deploy
+./gradlew publish
 ```
 
-This will deploy based on the version in the `pom.xml` file (`-SNAPSHOT` creates
+This will deploy based on the version in the `gradle.properties` file (`-SNAPSHOT` creates
 it in their snapshot repository, which you should always do before a real
 release).
 

Dockerfile

@@ -1,30 +1,24 @@
-FROM docker.elastic.co/wolfi/jdk:openjdk-23.0.2-r7-dev@sha256:ea249437c8316cf2905ea40e1508933789cf293d68b08531e7d151a779d64b25 AS builder
+FROM docker.elastic.co/wolfi/jdk:openjdk-25-dev AS builder
 
 #####################
-# Install dev tools
+# Build code
 #####################
 USER root
 
-# need to be root to be able to install maven
-RUN apk add --no-cache maven
-
-#####################
-# Build code
-#####################
 WORKDIR /build
 
 COPY ./ ./
 
-RUN mvn package
+RUN ./gradlew build
 
-FROM docker.elastic.co/wolfi/jdk:openjdk-23.0.2-r7@sha256:a4b87ff540ce784a1b69611aa8b60b743ad70e18ef97d6a6afec4bb906d5989b AS runner
+FROM docker.elastic.co/wolfi/jdk:openjdk-25 AS runner
 
 ########################
 # Prepare the code to run
 ########################
 WORKDIR /support-diagnostics
 
 COPY --from=builder /build/scripts /support-diagnostics
-COPY --from=builder /build/target/lib /support-diagnostics/lib
-COPY --from=builder /build/target/diagnostics-*.jar /support-diagnostics/lib
+COPY --from=builder /build/build/libs/diagnostics-*.jar /support-diagnostics/lib/
+COPY --from=builder /build/build/lib/ /support-diagnostics/lib/
 COPY --from=builder /build/src/main/resources /support-diagnostics/config