feat: activated Linux-x64 Docker Image Workflow and adapted Linux-ARM64 Workflow

.gitea/workflows/linux_x64_docker.yaml

@@ -3,7 +3,7 @@ name: Build Docker Linux x64
 on:
   push:
     branches:
-      #- main
+      - main
 
 jobs:
   build-docker-linux-x64:
@@ -19,8 +19,15 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build Linux x64 Docker Image
-        run: |
-          docker buildx build \
-            --platform linux/amd64 \
-            -t myapp:linux-x64 \
-            --load ./CouchLog/CouchLog.sln
+        run: docker buildx build --platform linux/amd64 -t couchlog-linux-x64
+
+      - name: Save Docker Image as tar
+        run: docker save -o CouchLog-Linux-x64-Docker-Image.tar couchlog-linux-x64
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: CouchLog-Linux-x64-Docker-Image
+          path: CouchLog-Linux-x64-Docker-Image.tar
+          if-no-files-found: error
+          retention-days: 1