Dockerized Dotnet Core 2.1 throws Gdip exception when using Select.HtmlToPdf.NetCore

I am using Select.HtmlToPdf.NetCore(18.3.0) to convert Html to pdf in Dotnetcore 2.1. It is perfectly working in local environment but when hosted with Docker it throws an error saying,

{"fileName":"System.TypeInitializationException: The type initializer
for 'Gdip' threw an exception. ---> System.DllNotFoundException:
Unable to load shared library 'libdl' or one of its dependencies. In
order to help diagnose loading problems, consider setting the LD_DEBUG
environment variable: liblibdl: cannot open shared object file: No
such file or directoryn at Interop.Libdl.dlopen(String fileName,
Int32 flag)n at
System.Drawing.SafeNativeMethods.Gdip.LoadNativeLibrary()n at
System.Drawing.SafeNativeMethods.Gdip..cctor()n --- End of inner
exception stack trace ---n at
System.Drawing.SafeNativeMethods.Gdip.GdipNewPrivateFontCollection(IntPtr&
fontCollection)n at SelectPdf.Lib.ᡜ..ctor()n at
SelectPdf.Lib.៞..ctor()n at SelectPdf.Lib.៞..ctor(ᡏ A_0, ᠝ A_1)n

at SelectPdf.HtmlToPdf.ᜁ(String A_0, String A_1, String A_2, String
A_3, Boolean A_4)n at SelectPdf.HtmlToPdf.ConvertHtmlString(String
htmlString)

I have tried by adding these set of lines in Dockerfile, but still having the same error.

FROM microsoft/dotnet:2.1-aspnetcore-runtime AS base

RUN apt-get update

RUN apt-get install -y apt-utils

RUN apt-get install -y libgdiplus

RUN ln -s /usr/lib/libgdiplus.so /usr/lib/gdiplus.dll

WORKDIR /app

EXPOSE 80

1 Answer
1

You need to install libc6-dev in your Docker container. You can install libc6-dev by running the following command:

libc6-dev

RUN apt-get install -y libc6-dev


Let me know how that goes.

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