Unhandled exception. System.DllNotFoundException: Unable to load shared library

[pajarnas]

Error output: Unhandled exception. System.DllNotFoundException: Unable to load shared library '/app/wkhtmltox/v0.12.4/x_64/libwkhtmltox.so' or one of its dependencies. In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: /app/wkhtmltox/v0.12.4/x_64/libwkhtmltox.so: cannot open shared object file: No such file or directory

My Docker File:

FROM mcr.microsoft.com/dotnet/sdk:5.0 AS builder
WORKDIR /app
COPY . .

RUN dotnet publish ./src/Api/Api.csproj -c Debug -o /app/out -f net5.0
FROM mcr.microsoft.com/dotnet/aspnet:5.0
# Install System.Drawing dependencies

# RUN apk add --no-cache tzdata
RUN apk add \
        --no-cache \
        --repository http://dl-3.alpinelinux.org/alpine/edge/testing/ \
        libgdiplus
WORKDIR /app
ENV ASPNETCORE_URLS=http://+:61065
EXPOSE 61065
COPY --from=builder /app/out .
COPY ./corp_root_ca.crt /etc/ssl/certs/corp_root_ca.pem
ENTRYPOINT ["dotnet", "My.dll"]

StartUp.cs:

       // Add pdf singletons

            var architectureFolder = (IntPtr.Size == 8) ? "x_64" : "x_86";
            var wkHtmlToPdfFileName = "libwkhtmltox";
            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            {
                wkHtmlToPdfFileName += ".so";
            }
            else
            {
                wkHtmlToPdfFileName += ".dll";
            }
            var wkHtmlToPdfPath = Path.Combine(
                new string[] {
                    this.Environment.ContentRootPath,
                    "wkhtmltox",
                    "v0.12.4",
                    architectureFolder,
                    wkHtmlToPdfFileName
                });
            CustomAssemblyLoadContext context = new CustomAssemblyLoadContext();
            context.LoadUnmanagedLibrary(wkHtmlToPdfPath);
            services.AddSingleton(typeof(IConverter), new SynchronizedConverter(new PdfTools()));

Server os: CentOS 7

Description: Working fine at local. It wont load at stage environment.

[zamgill]

Try adding this package too: https://www.nuget.org/packages/DinkToPdfCopyDependencies