[英]Docker .NET Core - multiple projects in solution
我是 Docker 的新手,我正在尝试容器化我的 WebAPI,它是包含多个项目的解决方案的一部分。 这是我的文件夹结构
Solution
-- RandomPersonPicker.Api
-- .dockerignore
-- .dockerfile
-- RandomPersonPicker.Date
-- RandomPersonPicker.Domain
-- RandomPersonPicker.Tests
这是我的 Docker 文件:
FROM mcr.microsoft.com/dotnet/core/sdk:3.1 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/sdk:3.1
WORKDIR /app
COPY --from=build-env /app/out .
ENTRYPOINT ["dotnet", "RandomPersonPicker.Api.dll"]
我从 RandomPersonPicker.Api 文件夹运行这个命令
docker build -t aspnetapp
最后这是我的堆栈跟踪:
Skipping project "/RandomPersonPicker.Data/RandomPersonPicker.Data.csproj" because it was not found.
Skipping project "/RandomPersonPicker.Data/RandomPersonPicker.Data.csproj" because it was not found.
Restore completed in 186.69 ms for /app/RandomPersonPicker.Api.csproj.
/usr/share/dotnet/sdk/3.1.101/Microsoft.Common.CurrentVersion.targets(1875,5): warning : The referenced project '../RandomPersonPicker.Data/RandomPersonPicker.Data.csproj' does not exist. [/app/RandomPersonPicker.Api.csproj]
CompositionRoot.cs(2,26): error CS0234: The type or namespace name 'Data' does not exist in the namespace 'RandomPersonPicker' (are you missing an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
CompositionRoot.cs(3,26): error CS0234: The type or namespace name 'Data' does not exist in the namespace 'RandomPersonPicker' (are you missing an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
Controllers/PersonController.cs(4,26): error CS0234: The type or namespace name 'Data' does not exist in the namespace 'RandomPersonPicker' (are you missing an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
Controllers/PersonController.cs(5,26): error CS0234: The type or namespace name 'Domain' does not exist in the namespace 'RandomPersonPicker' (are you missing an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
Controllers/PersonController.cs(23,39): error CS0246: The type or namespace name 'Person' could not be found (are you missing a using directive or an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
Controllers/PersonController.cs(31,27): error CS0246: The type or namespace name 'Person' could not be found (are you missing a using directive or an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
Controllers/PersonController.cs(15,26): error CS0246: The type or namespace name 'IPersonRepository' could not be found (are you missing a using directive or an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
Controllers/PersonController.cs(17,33): error CS0246: The type or namespace name 'IPersonRepository' could not be found (are you missing a using directive or an assembly reference?) [/app/RandomPersonPicker.Api.csproj]
The command '/bin/sh -c dotnet publish -c Release -o out' returned a non-zero code: 1
我理解这个问题,docker 无法识别我的其他项目的命名空间,这会导致编译错误,但我不知道解决这个问题的好方法。
任何帮助,将不胜感激。
在这种情况下,我发现将 Dockerfile 放在与解决方案 (.sln) 相同的文件夹中更容易。 因此,如果您有多个具有公共类库的项目,您可以轻松地在单独的 docker 文件中引用它们。 您可以从 root -> root 复制所有内容,也可以一个一个地提及每个项目。
注意:这是 git 的根,因此 Dockerfile 也成为代码存储库的一部分。
ROOT FOLDER
|--- MultiProject.sln
|--- MultiProject (solution folder)
|-- Api.Web (project folder)
-- Api.Web.csproj
|-- Api.Mobile (project folder)
-- Api.Mobile.csproj
|-- ClassLibrary1
|-- ClassLibrary2
|--- Api.Web.Dockerfile
|--- Api.Mobile.Dockerfile
|--- .gitignore (*just to highlight the root of source repo*)
注意:您可能希望重构 dockerfile 以适应您的分层风格。 示例中显示的层具有单独的构建和发布层。
#Use your choice of image as base. Mine is alpine!
FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine AS base
WORKDIR /app
FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
WORKDIR /src
COPY . .
RUN dotnet restore "MultiProject/Api.Web.csproj"
WORKDIR "/src/."
COPY . .
RUN dotnet build "MultiProject/Api.Web.csproj" -c Release -o /app/build
FROM build as publish
RUN dotnet publish "MultiProject/Api.Web.csproj" -c Release -o /app/publish
FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENV ASPNETCORE_URLS http://*:PORT_NUMBER
ENTRYPOINT ["dotnet", "Api.dll"]
现在,如果我想为 Api.Mobile 创建另一个 dockerfile,从上面的示例中创建一个非常简单。
尝试在不同的步骤中执行构建和发布步骤。 您还需要在恢复和构建后复制文件
下面几行的东西
FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-env
WORKDIR /app
# Copy csproj and restore as distinct layers
COPY *.csproj ./
RUN dotnet restore *.csproj
COPY . .
RUN dotnet build -c Release
# Copy everything else and build
COPY . ../
RUN dotnet publish -o out --no-build
# Build runtime image
FROM mcr.microsoft.com/dotnet/core/sdk:3.1
WORKDIR /app
COPY --from=build-env /app/out .
ENTRYPOINT ["dotnet", "RandomPersonPicker.Api.dll"]
经过几次尝试,我设法这样做:
项目层次:
MoulaTracker/
|- MoulaTracker.Core/ # <- PROJECT 1
|- MoulaTracker.Api/ # <- PROJECT 2
|- Dockerfile.Core
|- Dockerfile.Api
|- docker-compose.yml
|- MoulaTracker.sln
MoulaTracker.Api
项目依赖于MoulaTracker.Core
docker-compose.yml :
version: "3.9"
services:
moula-tracker-core:
build:
context: .
dockerfile: ./Dockerfile.Core
moula-tracker-api:
build:
context: .
dockerfile: ./Dockerfile.Api
Dockerfile.Api :
FROM mcr.microsoft.com/dotnet/core/sdk:3.1.409 AS build-env
# Copy csproj and restore as distinct layers
WORKDIR /MoulaTracker.Api
COPY ./MoulaTracker.Api .
COPY ./MoulaTracker.Core ../MoulaTracker.Core
RUN dotnet restore
RUN dotnet publish -c Release -o out
# Build runtime image
FROM mcr.microsoft.com/dotnet/core/aspnet:3.1.0 AS runtime
WORKDIR /MoulaTracker.Api
COPY --from=build-env /MoulaTracker.Api/ ./
ENTRYPOINT ["dotnet", "out/MoulaTracker.Api.dll"]
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