docker中的.net core 版本设置

 .net core 库文件选择

https://github.com/dotnet/installer

 修改dockerfile文件 为了使用 .net core 3.1

# FROM microsoft/aspnetcore-build:2.0 AS build-env
# WORKDIR /code

# COPY *.csproj /code
# RUN dotnet restore

# COPY ./publish /code
# RUN dotnet publish -c Release -o out

FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base
WORKDIR /app
COPY . /app

EXPOSE 30022
EXPOSE 31022
ENTRYPOINT ["dotnet", "WebApplication3.dll"]