update port configurations in GitHub Actions workflow

.github/workflows/main.yml

@@ -19,13 +19,13 @@ jobs:
         run: |
           if [[ "${{ github.ref_name }}" == "production" ]]; then
             echo "DEPLOY_ENV=production" >> $GITHUB_ENV
-            echo "PORT=3000" >> $GITHUB_ENV
+            echo "PORT=4000" >> $GITHUB_ENV
           elif [[ "${{ github.ref_name }}" == "dev" ]]; then
             echo "DEPLOY_ENV=dev" >> $GITHUB_ENV
-            echo "PORT=3001" >> $GITHUB_ENV
+            echo "PORT=4001" >> $GITHUB_ENV
           elif [[ "${{ github.ref_name }}" == "preview" ]]; then
             echo "DEPLOY_ENV=preview" >> $GITHUB_ENV
-            echo "PORT=3002" >> $GITHUB_ENV
+            echo "PORT=4002" >> $GITHUB_ENV
           fi
 
       - name: Build Docker Image
@@ -46,7 +46,7 @@ jobs:
           fi
 
           # Führt den neuen Container auf einem temporären internen Port aus
-          docker run -d --name "$NEW_CONTAINER_NAME" -p 30000:3000 $IMAGE_NAME
+          docker run -d --name "$NEW_CONTAINER_NAME" -p 40000:3000 $IMAGE_NAME
 
           # Warten, um sicherzustellen, dass der neue Container läuft
           sleep 10