Docker构建失败，并显示“服务构建失败：COPY失败：没有此类文件或目录”错误

Question

我创建了一个相当标准的asp.net核心应用程序，该应用程序托管在Docker内部。它在本地运行，现在我正尝试使用VSTS生成并部署到Azure。构建步骤失败，并显示以下消息：

Service 'coredockerapi' failed to build: COPY failed: stat /var/lib/docker/tmp/docker-builder145772260/obj/Docker/publish: no such file or directory

这是VSTS的完整日志输出：

2017-11-18T11:52:07.4647720Z ##[section]Starting: Build Repo and create container
2017-11-18T11:52:07.5468610Z ==============================================================================
2017-11-18T11:52:07.5514890Z Task         : Docker Compose
2017-11-18T11:52:07.5550720Z Description  : Build, push or run multi-container Docker applications. Task can be used with Docker or Azure Container registry.
2017-11-18T11:52:07.5606920Z Version      : 0.4.7
2017-11-18T11:52:07.5628440Z Author       : Microsoft Corporation
2017-11-18T11:52:07.5655390Z Help         : [More Information](https://go.microsoft.com/fwlink/?linkid=848006)
2017-11-18T11:52:07.5678480Z ==============================================================================
2017-11-18T11:52:09.5543380Z 50f571c1-89b9-4b2f-8ea8-097b0966e534 exists true
2017-11-18T11:52:10.4809920Z [command]/usr/local/bin/docker-compose -f /opt/vsts/work/1/s/DemoCoreDocker/docker-compose.yml -p DemoDocker run --rm -T coredockerapi
2017-11-18T11:52:10.8401740Z Creating network "demodocker_default" with the default driver
2017-11-18T11:52:10.9847570Z Building coredockerapi
2017-11-18T11:52:11.0663980Z Step 1/6 : FROM microsoft/aspnetcore:2.0
2017-11-18T11:52:12.3621450Z 2.0: Pulling from microsoft/aspnetcore
2017-11-18T11:52:27.7530280Z Digest: sha256:b5e62c20e77b287b014fc0182f0e21dc1bba7aa0a42ac40338e303fdb5b49638
2017-11-18T11:52:27.7774720Z Status: Downloaded newer image for microsoft/aspnetcore:2.0
2017-11-18T11:52:27.7814270Z  ---> 757f574feed9
2017-11-18T11:52:27.7883450Z Step 2/6 : ARG source
2017-11-18T11:52:27.8732530Z  ---> Running in bc9b4aa5e33b
2017-11-18T11:52:28.0333270Z  ---> 612c57db7df1
2017-11-18T11:52:28.0598310Z Removing intermediate container bc9b4aa5e33b
2017-11-18T11:52:28.0636200Z Step 3/6 : WORKDIR /app
2017-11-18T11:52:28.3684690Z  ---> fc4ab62cecd6
2017-11-18T11:52:28.3904360Z Removing intermediate container baedca1c9c5d
2017-11-18T11:52:28.3935980Z Step 4/6 : EXPOSE 80
2017-11-18T11:52:28.5164070Z  ---> Running in c8bbbf929c3a
2017-11-18T11:52:28.6861730Z  ---> 578c84507512
2017-11-18T11:52:28.7087730Z Removing intermediate container c8bbbf929c3a
2017-11-18T11:52:28.7172780Z Step 5/6 : COPY ${source:-obj/Docker/publish} .
2017-11-18T11:52:28.7256500Z Service 'coredockerapi' failed to build: COPY failed: stat /var/lib/docker/tmp/docker-builder145772260/obj/Docker/publish: no such file or directory
2017-11-18T11:52:28.7798470Z ##[error]Creating network "demodocker_default" with the default driver
2017-11-18T11:52:28.7901050Z ##[error]Building coredockerapi
2017-11-18T11:52:28.8022370Z ##[error]Service 'coredockerapi' failed to build: COPY failed: stat /var/lib/docker/tmp/docker-builder145772260/obj/Docker/publish: no such file or directory
2017-11-18T11:52:28.8334530Z [command]/usr/local/bin/docker-compose -f /opt/vsts/work/1/s/DemoCoreDocker/docker-compose.yml -p DemoDocker down
2017-11-18T11:52:29.2414990Z Removing network demodocker_default
2017-11-18T11:52:29.4374050Z ##[error]/usr/local/bin/docker-compose failed with return code: 1
2017-11-18T11:52:29.5268820Z ##[section]Finishing: Build Repo and create container

这是我的docker-compose.yml

version: '3'

services:
  coredockerapi:
    image: coredockerapi
    build:
      context: ./CoreDockerAPI
      dockerfile: Dockerfile

谢谢。

Answer 1

如果有人在运行compose build或up时仍然有问题-错误消息：

服务'php'构建失败：复制失败：stat / var / lib / docker / tmp / docker-builder ...

我这边的问题是由于.dockerignore所引用的要复制文件夹所在的地方。只需删除需要复制的文件夹行即可。

Answer 2

请参阅以下步骤将项目部署到 Azure：

1. 创建新的构建定义
2. 添加 Docker Compose 任务（Docker Compose 文件：**/docker-compose.ci.build.yml；操作：Run a Docker Compose command；命令run ci-build：）
3. 添加复制文件任务（源文件夹：$(System.DefaultWorkingDirectory)/[your project path]/obj/Docker/publish；内容：**；目标文件夹$(Build.ArtifactStagingDirectory)：）
4. 添加发布构建工件任务（发布路径$(Build.ArtifactStagingDirectory)：）
5. 创建新的发布定义
6. 添加 Azure 应用服务部署任务（包或文件夹：$(System.DefaultWorkingDirectory)/[artifact build definition name]/[artifact name]；取消选中Publish using Web Deploy option）

另一方面，有一个相关线程可能会让您受益：Docker compose VSTS task faileder