Docker 构建拉取访问被拒绝，存储库不存在或可能需要

Question

我试图在不使用 Visual Studio 的情况下生成 Docker 图像。我在项目文件夹中，我从 windows 10 管理命令行 docker build . 执行我不知道如何使它工作。

[+] Building 1.3s (8/9)
 => [internal] load build definition from Dockerfile                                              0.0s
 => => transferring dockerfile: 753B                                                              0.0s
 => [internal] load .dockerignore                                                                 0.0s
 => => transferring context: 34B                                                                  0.0s
 => [internal] load metadata for mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim             0.0s
 => [base 1/2] FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim                          0.0s
 => ERROR FROM docker.io/publish/app:latest                                                       1.2s
 => => resolve docker.io/publish/app:latest                                                       1.2s
 => CACHED [base 2/2] WORKDIR /app                                                                0.0s
 => CACHED [final 1/2] WORKDIR /app                                                               0.0s
 => [auth] publish/app:pull token for registry-1.docker.io                                        0.0s
------
 > FROM docker.io/publish/app:latest:
------
failed to load cache key: pull access denied, repository does not exist or may require authorization: server message: insufficient_scope: authorization failed

这是我的 dockerfile：

#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443

FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
WORKDIR /src
COPY ["src/App.Web/App.Web.csproj", "src/App.Web/"]
RUN dotnet restore "App.Web.csproj"
COPY . .
WORKDIR "/src/App.Web"
RUN dotnet build App.Web.csproj -c Debug -o /app

FROM build as debug
RUN dotnet publish "App.Web.csproj" -c Debug -o /app

FROM base as final
WORKDIR /app
COPY --from=publish/app /app .
ENTRYPOINT ["dotnet","App.Web.dll"]

Answer 1

您登录了吗？尝试 docker login 然后再次执行 docker build

正如我在此处看到的那样 aspnet in docker hub 您打算使用的存储库已重命名。请改用以下内容

from mcr.microsoft.com/dotnet/aspnet:3.1-buster-slim

存储库已重命名，可以在此处找到类似的问题

Answer 2

您有称为基础、构建和调试的阶段。那么在最后阶段你有：

COPY --from=publish/app /app .

当 docker 找不到具有该名称 publish/app 的舞台时，它会尝试查找不存在的图像。我猜你想从构建阶段复制，例如

COPY --from=build /app .

Docker 构建拉取访问被拒绝，存储库不存在或可能需要

Docker build pull access denied, repository does not exist or may require

windows

docker

linux-containers

dockerfile