Docker：无法与docker-compose一起运行.net核心api：已退出，代码145 [英] Docker: Unable to run .net core api with docker-compose : exited with code 145

问题描述

我正在尝试在Docker容器中运行.net核心api，但出现以下错误：

I am trying to run .net core api in a docker container but I am getting the following error:

我首先看到的错误是因为它找不到.net core sdk。但是正如您所看到的，我在dockerfile中包含了sdk：
FROM mcr.microsoft.com/dotnet/core/aspnet:2.2

My first guess looking at the error is that it's because it is not able to find .net core sdk. But as you can see I have included sdk in my dockerfile: FROM mcr.microsoft.com/dotnet/core/aspnet:2.2

Dockerfile

FROM mcr.microsoft.com/dotnet/core/sdk:2.2 AS build-env
WORKDIR /app

# Copy csproj and restore as distinct layers
COPY *.csproj ./
RUN dotnet restore

# Copy everything else and build
COPY . ./
RUN dotnet publish -c Release -o out

# Build runtime image
FROM mcr.microsoft.com/dotnet/core/aspnet:2.2
EXPOSE 80/tcp

WORKDIR /app
COPY --from=build-env /app/out .

 ENTRYPOINT ["dotnet", "ApiForDocker.dll"]

docker-compose.yml

version: '3'
services:
  coreapi:    
    build: 
      context: .
      dockerfile: Dockerfile      
    ports:
      - "4002:5000"
    volumes:
      - .:/app

推荐答案

好了，我删除了：

  volumes:
      - .:/app

-compose.yml：

from my docker-compose.yml:

version: '3'
services:
  coreapi:    
    build: 
      context: .
      dockerfile: Dockerfile      
    ports:
      - "4002:5000"        

我猜问题是我用dockerfile构建代码，但是在docker compose中，我基本上是说我想在外部使用我的源代码。它可能在nodejs中可用，但是我不确定如何将预构建的.net代码用作卷。

I guess the problem was that I building code with my dockerfile but then in docker compose I was basically saying that I want to use my source code outside to be used. It might work in nodejs but I am not sure how to use prebuilt .net code code as volume.

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