Update Docker and workflow configurations for improved build process

.github/workflows/build_v2.yml

@@ -118,13 +118,52 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
+      
+      - name: Get version
+        id: version
+        shell: bash
+        run: |
+          TAG="${{ github.event.inputs.tag || inputs.tag }}"
+          VERSION="${TAG#v}"
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+
       - name: Download Linux Artifact
         uses: actions/download-artifact@v4
         with:
           name: linux-release
-      - name: Build and Push Docker (Optional)
+          path: dist/linux-docker
+
+      - name: Prepare Docker build context
         run: |
-          echo "Placeholder for Docker build if needed"
+          cd dist/linux-docker
+          tar -xzf yt-playlist-linux-${{ steps.version.outputs.version }}.tar.gz
+          cp ../../Dockerfile .
+          cp ../../docker-entrypoint.sh .
+          # Ensure ytpld package is present
+          if [ ! -d "ytpld" ]; then cp -r ../../ytpld . ; fi
+
+      - name: Set docker image names
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          echo "RELEASE_IMAGE=ghcr.io/${GITHUB_ACTOR}/ytpld:${VERSION}" >> $GITHUB_ENV
+          echo "LATEST_IMAGE=ghcr.io/${GITHUB_ACTOR}/ytpld:latest" >> $GITHUB_ENV
+
+      - name: Build Docker image
+        run: |
+          docker build . -t $RELEASE_IMAGE -t $LATEST_IMAGE
+        working-directory: dist/linux-docker
+
+      - name: Save Docker images
+        run: |
+          docker save -o docker-image.tar $RELEASE_IMAGE
+          docker save -o docker-image-latest.tar $LATEST_IMAGE
+        working-directory: dist/linux-docker
+
+      - name: Upload Docker artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: docker-images
+          path: dist/linux-docker/docker-image*.tar
 
   release:
     needs: [build, docker]
@@ -133,6 +172,20 @@ jobs:
     steps:
       - name: Download all artifacts
         uses: actions/download-artifact@v4
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push Docker images
+        run: |
+          docker load -i docker-images/docker-image.tar
+          docker push ghcr.io/${GITHUB_ACTOR}/ytpld:${{ steps.version.outputs.version }}
+          docker load -i docker-images/docker-image-latest.tar
+          docker push ghcr.io/${GITHUB_ACTOR}/ytpld:latest
+
       - name: Create Release
         uses: softprops/action-gh-release@v2
         with: