But does it build?

.gitlab-ci.yml

@@ -0,0 +1,31 @@
+.shared_windows_runners:
+  tags:
+  - shared-windows
+  - windows
+  - windows-1909
+
+image: mcr.microsoft.com/dotnet/core/sdk
+
+before_script:
+  - dotnet restore
+
+uptool:
+  stage: deploy
+  script:
+    - $(new-object System.Net.WebClient).DownloadFile("https://www.github.com/JFronny/UpTool2/releases/latest/download/Tools.zip", "$($(pwd).Path)\Tools.zip")
+    - & "C:\Program Files\7-Zip\7z.exe" x .\Tools.zip
+    - rm Tools.zip
+    - rm Install.bat
+    - rm Remove.bat
+    - dotnet build --verbosity:m -p:Configuration=Release
+    - mkdir build
+    - cp *\bin\Release\netcoreapp3.1\* .\build
+    - cp .\build\package.zip .
+    - $file = Get-Item $(Resolve-Path .\build\*.exe).Path
+    - $asm = $([Reflection.Assembly]::LoadFile($file.DirectoryName + "\" + $file.BaseName + ".dll"))
+    - $asmver = $asm.GetName().Version.ToString()
+  artifacts:
+    paths:
+      - build
+  only:
+    - master