Rearrange workflow into separate jobs

.github/workflows/build_and_publish.yml

@@ -10,35 +10,65 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v4
+    - name: Cache Target
+      id: cache-target
+      uses: actions/cache@v4
+      with:
+        path: target
+        key: maven-target-${{ github.run.id }}
     - name: Set up JDK 17
       uses: actions/setup-java@v4
       with:
         java-version: 17
         distribution: 'temurin'
         server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
-
     - name: Build with Maven
       run: mvn -B package --file pom.xml
-
+  publish_maven:
+    needs: build
+    runs-on: ubuntu-latest
+    steps: 
+    - uses: actions/checkout@v4
+    - name: Restore cached Target
+      id: cache-primes-restore
+      uses: actions/cache/restore@v4
+      with:
+        path: target/
+        key: maven-target-${{ github.run.id }}
     - name: Publish to GitHub Packages Apache Maven
       run: mvn deploy
       env:
         GITHUB_TOKEN: ${{ github.token }} # GITHUB_TOKEN is the default env for the password
-
+  publish_container:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Restore cached Target
+      id: cache-primes-restore
+      uses: actions/cache/restore@v4
+      with:
+        path: target/
+        key: maven-target-${{ github.run.id }}
+    - uses: docker/metadata-action@v3
+      id: metadata
+      with:
+        images: ghcr.io/${{ github.repository }}
     - name: Log into registry ${{ env.REGISTRY }}
       if: github.event_name != 'pull_request'
-      uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+      uses: docker/login-action@v3
       with:
         registry: ${{ env.REGISTRY }}
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
-
-    - name: Build and Push the Docker image
-      run: |
-        docker build . --file Dockerfile --tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest --tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${GITHUB_REF##*/}
-        docker push -a ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+    - name: Build and Push the container image
+      uses: int128/kaniko-action@v1
+      with:
+          push: true
+          tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.labels }}
+          cache: true
+          cache-repository: ghcr.io/${{ github.repository }}/cache