我自己就遇到了这个问题。我认为
dotnet watchrun与localhost类型的url配合不好。尝试
https://0.0.0.0:5000在您的容器中将托管网址设置为。
在dockerfile中,带有:
ENTRYPOINT [ "dotnet", "watch", "run", "--no-restore", "--urls", "https://0.0.0.0:5000"]
或在launchSettings.json中,例如:
{ "profiles": { "[Put your project name here]": { "commandName": "Project", "launchBrowser": true, "environmentVariables": { "ASPNETCORE_ENVIRONMENT": "Development", "DOTNET_USE_POLLING_FILE_WATCHER": "true" }, "applicationUrl": "https://0.0.0.0:5000/" } }}
现在,要使其自动从容器中重新加载,您必须使用轮询文件监视程序。这就是第二个环境变量的用途。(这很常见,您必须使用webpack,angular等来执行此 *** 作)。
在您的情况下,您需要将更
esportsapp.volume改为主机上的目录:
volumes: - ./:/app
它将容器中的/ app卷映射到docker-compose目录。您面临的问题是该应用程序内置在项目默认的docker-
compose网络上的某个卷中,因此,当您在源目录中更改文件时,该卷中实际上并没有更改。但是,使用此修复程序,您将遇到容器内部dotnet恢复和dotnet监视更改主机文件的问题。如果您有兴趣,可以解决所有问题…
我通常的.Net Core App Docker设置
要调试,请运行:
docker-compose -f run.yml up --build
要构建发行版:
docker-compose -f build.yml up --build
项目结构
/ # source control root/build.yml # docker-compose file for building a release/run.yml # docker-compose file for running locally & debugging/project # an application/project/build.Dockerfile # the docker container that will build "project" for release/project/run.Dockerfile # the docker container that will build and run "project" locally for debugging/project/.dockerignore # speeds up container builds by excluding large directories like "packages" or "node_modules"/project/src # where I hide my source prez/project/src/Project.sln/project/src/Project/Project.csproj/project/src/Project/Directory.Build.props # keeps a docker mapped volume from overwriting .dlls on your host/project/src/Project.Data/Project.Data.csproj # typical .Net project structure/web-api # another application...
Directory.Build.props (将其与.csproj放在同一文件夹中,
dotnet watchrun以免使命令与主机上的源目录混淆)
<Project> <PropertyGroup> <DefaultItemExcludes>$(DefaultItemExcludes);$(MSBuildProjectDirectory)/obj*</DefaultItemExcludes> <DefaultItemExcludes>$(DefaultItemExcludes);$(MSBuildProjectDirectory)/bin*</DefaultItemExcludes> </PropertyGroup> <PropertyGroup Condition="'$(DOTNET_RUNNING_IN_CONTAINER)' == 'true'"> <baseIntermediateOutputPath>$(MSBuildProjectDirectory)/obj/container/</baseIntermediateOutputPath> <baseOutputPath>$(MSBuildProjectDirectory)/bin/container/</baseOutputPath> </PropertyGroup> <PropertyGroup Condition="'$(DOTNET_RUNNING_IN_CONTAINER)' != 'true'"> <baseIntermediateOutputPath>$(MSBuildProjectDirectory)/obj/local/</baseIntermediateOutputPath> <baseOutputPath>$(MSBuildProjectDirectory)/bin/local/</baseOutputPath> </PropertyGroup></Project>
run.yml (用于调试的docker-compose.yml)
version: "3.5"services: project: build: context: ./project dockerfile: run.Dockerfile ports: - 5000:80 volumes: - ./project/src/Project:/app
run.Dockerfile (用于调试的Dockerfile)
FROM microsoft/dotnet:2.1-sdk# install the .net core debuggerRUN apt-get updateRUN apt-get -y --no-install-recommends install unzipRUN apt-get -y --no-install-recommends install procpsRUN rm -rf /var/lib/apt/lists/*RUN curl -sSL https://aka.ms/getvsdbgsh | bash /dev/stdin -v latest -l /vsdbgVOLUME /appWORKDIR /appCMD dotnet watch run --urls http://0.0.0.0:80
build.yml (用于构建发行版的docker-compose.yml)
version: "3.5"services: project: build: context: ./project dockerfile: build.Dockerfile volumes: - ./project:/app
build.Dockerfile (用于构建发行版的Dockerfile)
FROM microsoft/dotnet:2.1-sdkVOLUME /app# restore as a separate layer to speed up buildsWORKDIR /srcCOPY src/Project/Project.csproj .RUN dotnet restoreCOPY src/Project/ .CMD dotnet publish -c Release -o /app/out/
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