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DuraikannuJeyamani-6375 asked

Profiling ASP.NET core application in Linux Docker container

I have created my OWN .NET Core profiler to profile ASP.net core application running on Linux environment.
It was working as expected and able to get the details from my profiler.

Now, I wants to profiler .NET core application running in Docker container(Linux).
The application running successfully in container environment when there is no profiler enabled.
If we enable profiler in the container environment its getting crashed.

This is my Dockerfile,

 ***<!-- begin snippet: js hide: false console: true babel: false -->
 <!-- language: lang-html -->
     FROM mcr.microsoft.com/dotnet/core/aspnet:3.1.20-buster-slim AS base
     WORKDIR /app
     EXPOSE 80
     FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
     WORKDIR /src
     COPY ["DockerDemo.csproj", ""]
     RUN dotnet restore "./DockerDemo.csproj"
     COPY . .
     WORKDIR "/src/."
     RUN dotnet build "DockerDemo.csproj" -c Release -o /app/build
     FROM build AS publish
     RUN dotnet publish "DockerDemo.csproj" -c Release -o /app/publish
     COPY libcoreclrmonitor.so /app/publish
     COPY CorProfiler.so /app/publish
     FROM base AS final
     WORKDIR /app
     COPY --from=publish /app/publish .
     ENTRYPOINT ["dotnet", "DockerDemo.dll"]
     ENV CORECLR_PROFILER="{950A85A8-9E1B-4611-BEA6-E5A20686387E}"
     ENV CORECLR_ENABLE_PROFILING=1
     ENV CORECLR_PROFILER_PATH_64="/app/libcoreclrmonitor.so"
     ENV LD_LIBRARY_PATH="/app"
     <!-- end snippet -->***

Here, libcoreclrmonitor.so is my profiler file developed using ICorProfilerCallback API.
When we run "docker run" command to start the container its getting crashed.

How to solve this problem ? What I missed here ?
How to load profiler in docker environment?

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