Description
Description
On windows we distribute our application as a single file executable. We have been doing this since dotnet core 3.1 and we had a lot of issues when doing this since the file actually was extracted to a temp folder which caused all kinds of trouble.
In dotnet core 5 the documentation says
Bundling all application-dependent files into a single binary provides an application developer with the attractive option to deploy and distribute the application as a single file. This deployment model has been available since .NET Core 3.0 and has been enhanced in .NET 5.0. Previously in .NET Core 3.0, when a user runs your single-file app, .NET Core host first extracts all files to a temporary directory before running the application. .NET 5.0 improves this experience by directly running the code without the need to extract the files from the app.
This is not true... I am running our application on a win2019 server (clean install), and when I run the application I get temporary folder under C:\Windows\Temp\.net\<MyApplication>\<random-folder-name>.
This is actually even worse than the behavior in 3.1 since we in 3.1 could use DOTNET_BUNDLE_EXTRACT_BASE_DIR to target a custom dir. In dotnet 5 using DOTNET_BUNDLE_EXTRACT_BASE_DIR will use another folder but always add an extra folder with a custom name (in my latest test dvay3ibe.r5m ).
Publish
This is how our application is published
dotnet publish ../src/WindowsService/ -c release -r win-x64 /p:PublishSingleFile=true -o ./
dotnet --info
.NET SDK (reflecting any global.json):
Version: 5.0.102
Commit: 71365b4d42
Runtime Environment:
OS Name: ubuntu
OS Version: 20.10
OS Platform: Linux
RID: ubuntu.20.10-x64
Base Path: /usr/share/dotnet/sdk/5.0.102/
Host (useful for support):
Version: 5.0.2
Commit: cb5f173b96
.NET SDKs installed:
3.1.404 [/usr/share/dotnet/sdk]
5.0.101 [/usr/share/dotnet/sdk]
5.0.102 [/usr/share/dotnet/sdk]
.NET runtimes installed:
Microsoft.AspNetCore.App 3.1.10 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.1 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.2 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 3.1.10 [/usr/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.1 [/usr/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.2 [/usr/share/dotnet/shared/Microsoft.NETCore.App]
To install additional .NET runtimes or SDKs:
https://aka.ms/dotnet-download