Set conditional GRADLE_OPTS with launch mechanism (closes #196)

.github/workflows/ci.yaml

@@ -9,23 +9,17 @@ defaults:
 jobs:
   ci:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        version: [8-jdk, 11-jdk, 11-jdk-alpine, 17-jdk, 17-jdk-alpine]
     steps:
-      - name: checkout
+      - name: Checkout
         uses: actions/checkout@v2
-      - name: build
-        env:
-          version: ${{ matrix.version }}
-        run: |
-          cd "jdk${version/-jdk/}"
-          docker pull "eclipse-temurin:${version}"
-          docker build --tag "gradle:${version}" .
-      - name: test
-        env:
-          version: ${{ matrix.version }}
-          expectedGradleVersion: 7.2
-        run: |
-          cd test
-          ./run.sh "gradle:${version}" "${expectedGradleVersion}"
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          install: true
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: jdk17
+          platforms: linux/arm64

jdk17/Dockerfile

@@ -1,4 +1,19 @@
-FROM eclipse-temurin:17-jdk
+FROM eclipse-temurin:17-jdk AS base
+
+ARG TARGETARCH
+
+FROM base AS base-amd64
+
+FROM base AS base-arm
+
+FROM base AS base-arm64
+ENV GRADLE_OPTS="-Djdk.lang.Process.launchMechanism=vfork"
+
+FROM base AS base-ppc64le
+
+FROM base AS base-s390x
+
+FROM base-$TARGETARCH
 
 CMD ["gradle"]