Use common fat-build workflow.

.github/workflows/docker-build.yml

@@ -8,7 +8,11 @@ on:
       - master
 
 jobs:
+  build-jdk:
+    uses: ./.github/workflows/fat-build.yml
+
   build-docker:
+    needs: build-jdk
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -23,17 +27,11 @@ jobs:
             dockerfile: ./Dockerfile.graalvm-jvm.ci
     steps:
       - uses: actions/checkout@v3
+      - uses: actions/download-artifact@v3
+        with:
+          name: piped.jar
       - name: Create Version File
         run: echo $(git log -1 --date=short --pretty=format:%cd)-$(git rev-parse --short HEAD) > VERSION
-      - name: set up JDK 17
-        uses: actions/setup-java@v3
-        with:
-          java-version: 17
-          distribution: temurin
-          cache: "gradle"
-      - name: Run Build
-        run: ./gradlew shadowJar
-      - run: mv build/libs/piped-*-all.jar piped.jar
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
         with: