如何让传统ASP.NET网站在Docker中运行

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本文主要描述如何让传统ASP.NET网站在Docker中运行，侧重Docker image 搭建。
使用条件：

1. Docker for windows 用户切换到Windows 容器模式
2. Windows Server 2016 用户 开启 Windows Container

关于Docker for windows，nanoserver,Windows Container一些概念区分

1. Docker for windows 在 win10 和 Windows Server 2016 上都能安装，但使用Docker for windows 开启Windows Container本质上都是在Hyper-v上运行。所以效率肯定没有原生的高，同时win10家庭版用户也跑不了Windows Container。
2. 在Windows Server 2016上开启的Windows Container 是“原生”的，Windows Container与主机共享内核（博主未验证），用于企业生产环境
3. nanoserver是超简版Windows Server 2016,目前微软只允许它作为在容器中运行，由于是超简版，没有IIS，但是可以手工部署，好像也没有framework,自然也跑不了ASP.NET ，但是正是由于它的精简，特别适合作为ASP.NET Core的 windows 生产运行环境！详情 docs.microsoft.com

MSSQL Docker

1.1 Dockerfile方式

参考Github Microsoft/mssql-docker 以下内容microsoft/windowsservercore处与Github略有不同，仅供参考

1. FROM microsoft/windowsservercore:ltsc2016
3. LABEL maintainer "Perry Skountrianos"
5. # Download Links:
6. ENV sql_express_download_url "https://go.microsoft.com/fwlink/?linkid=829176"
8. ENV sa_password="_" \
9. attach_dbs="[]" \
10. ACCEPT_EULA="_" \
11. sa_password_path="C:\ProgramData\Docker\secrets\sa-password"
13. SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
15. # make install files accessible
16. COPY start.ps1 /
17. WORKDIR /
19. RUN Invoke-WebRequest -Uri $env:sql_express_download_url -OutFile sqlexpress.exe ; \
20. Start-Process -Wait -FilePath .\sqlexpress.exe -ArgumentList /qs, /x:setup ; \
21. .\setup\setup.exe /q /ACTION=Install /INSTANCENAME=SQLEXPRESS /FEATURES=SQLEngine /UPDATEENABLED=0 /SQLSVCACCOUNT='NT AUTHORITY\System' /SQLSYSADMINACCOUNTS='BUILTIN\ADMINISTRATORS' /TCPENABLED=1 /NPENABLED=0 /IACCEPTSQLSERVERLICENSETERMS ; \
22. Remove-Item -Recurse -Force sqlexpress.exe, setup
24. RUN stop-service MSSQL`$SQLEXPRESS ; \
25. set-itemproperty -path 'HKLM:\software\microsoft\microsoft sql server\mssql14.SQLEXPRESS\mssqlserver\supersocketnetlib\tcp\ipall' -name tcpdynamicports -value '' ; \
26. set-itemproperty -path 'HKLM:\software\microsoft\microsoft sql server\mssql14.SQLEXPRESS\mssqlserver\supersocketnetlib\tcp\ipall' -name tcpport -value 1433 ; \
27. set-itemproperty -path 'HKLM:\software\microsoft\microsoft sql server\mssql14.SQLEXPRESS\mssqlserver\' -name LoginMode -value 2 ;
29. CMD .\start -sa_password $env:sa_password -ACCEPT_EULA $env:ACCEPT_EULA -attach_dbs "$env:attach_dbs" -Verbose

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start.ps1

1. # The script sets the sa password and start the SQL Service
2. # Also it attaches additional database from the disk
3. # The format for attach_dbs
5. param(
6. [Parameter(Mandatory=$false)]
7. [string]$sa_password,
9. [Parameter(Mandatory=$false)]
10. [string]$ACCEPT_EULA,
12. [Parameter(Mandatory=$false)]
13. [string]$attach_dbs
14. )
17. if($ACCEPT_EULA -ne "Y" -And $ACCEPT_EULA -ne "y")
18. {
19. Write-Verbose "ERROR: You must accept the End User License Agreement before this container can start."
20. Write-Verbose "Set the environment variable ACCEPT_EULA to 'Y' if you accept the agreement."
22. exit 1
23. }
25. # start the service
26. Write-Verbose "Starting SQL Server"
27. start-service MSSQL`$SQLEXPRESS
29. if($sa_password -eq "_") {
30. $secretPath = $env:sa_password_path
31. if (Test-Path $secretPath) {
32. $sa_password = Get-Content -Raw $secretPath
33. }
34. else {
35. Write-Verbose "WARN: Using default SA password, secret file not found at: $secretPath"
36. }
37. }
39. if($sa_password -ne "_")
40. {
41. Write-Verbose "Changing SA login credentials"
42. $sqlcmd = "ALTER LOGIN sa with password=" +"'" + $sa_password + "'" + ";ALTER LOGIN sa ENABLE;"
43. & sqlcmd -Q $sqlcmd
44. }
46. $attach_dbs_cleaned = $attach_dbs.TrimStart('\\').TrimEnd('\\')
48. $dbs = $attach_dbs_cleaned | ConvertFrom-Json
50. if ($null -ne $dbs -And $dbs.Length -gt 0)
51. {
52. Write-Verbose "Attaching $($dbs.Length) database(s)"
54. Foreach($db in $dbs)
55. {
56. $files = @();
57. Foreach($file in $db.dbFiles)
58. {
59. $files += "(FILENAME = N'$($file)')";
60. }
62. $files = $files -join ","
63. $sqlcmd = "IF EXISTS (SELECT 1 FROM SYS.DATABASES WHERE NAME = '" + $($db.dbName) + "') BEGIN EXEC sp_detach_db [$($db.dbName)] END;CREATE DATABASE [$($db.dbName)] ON $($files) FOR ATTACH;"
65. Write-Verbose "Invoke-Sqlcmd -Query $($sqlcmd)"
66. & sqlcmd -Q $sqlcmd
67. }
68. }
70. Write-Verbose "Started SQL Server."
72. $lastCheck = (Get-Date).AddSeconds(-2)
73. while ($true)
74. {
75. Get-EventLog -LogName Application -Source "MSSQL*" -After $lastCheck | Select-Object TimeGenerated, EntryType, Message
76. $lastCheck = Get-Date
77. Start-Sleep -Seconds 2
78. }

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1. docker build -t yourname/mssql:2017-CU1 .

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1.2 Docker pull方式

1. docker pull microsoft/mssql-server-windows-express:2017-CU1

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2 生成Container

SQLServer 密码规则 请点击 Password Policy
有关SQL Server 2016 Express Edition in Windows Containers 请点击 SQL Server 2016 Express Edition in Windows Containers
注意：虽然SQL Server是Express版本的，但连接实例名中没有"\SQLEXPRESS"

1. # 非必需
2. docker tag microsoft/mssql-server-windows-express:2017-CU1 microsoft/mssql:latest
3. # 运行实例
4. docker run -d -p 1433:1433 --name mssql01 -e sa_password=Jsdfk237 -e ACCEPT_EULA=Y --restart=always microsoft/mssql

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MySQL Docker (MySQL Container on Windows)

尚未实践，仅供参考

1. docker pull dnikolayev/sonarqube-mysql-windows

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ASP.NET Docker

1.1 Dockerfile方式

参考 Github Microsoft/aspnet-docker

1. # escape=`
3. FROM microsoft/dotnet-framework:4.7.2-runtime-windowsservercore-ltsc2016
5. SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
7. RUN Add-WindowsFeature Web-Server; `
8. Add-WindowsFeature NET-Framework-45-ASPNET; `
9. Add-WindowsFeature Web-Asp-Net45; `
10. Remove-Item -Recurse C:\inetpub\wwwroot\*; `
11. Invoke-WebRequest -Uri https://dotnetbinaries.blob.core.windows.net/servicemonitor/2.0.1.3/ServiceMonitor.exe -OutFile C:\ServiceMonitor.exe
13. #download Roslyn nupkg and ngen the compiler binaries
14. RUN Invoke-WebRequest https://api.nuget.org/packages/microsoft.net.compilers.2.8.2.nupkg -OutFile c:\microsoft.net.compilers.2.8.2.zip ; `
15. Expand-Archive -Path c:\microsoft.net.compilers.2.8.2.zip -DestinationPath c:\RoslynCompilers ; `
16. Remove-Item c:\microsoft.net.compilers.2.8.2.zip -Force ; `
17. &C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe update ; `
18. &C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe update ; `
19. &C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe install c:\RoslynCompilers\tools\csc.exe /ExeConfig:c:\RoslynCompilers\tools\csc.exe | `
20. &C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe install c:\RoslynCompilers\tools\vbc.exe /ExeConfig:c:\RoslynCompilers\tools\vbc.exe | `
21. &C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe install c:\RoslynCompilers\tools\VBCSCompiler.exe /ExeConfig:c:\RoslynCompilers\tools\VBCSCompiler.exe | `
22. &C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe install c:\RoslynCompilers\tools\csc.exe /ExeConfig:c:\RoslynCompilers\tools\csc.exe | `
23. &C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe install c:\RoslynCompilers\tools\vbc.exe /ExeConfig:c:\RoslynCompilers\tools\vbc.exe | `
24. &C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe install c:\RoslynCompilers\tools\VBCSCompiler.exe /ExeConfig:c:\RoslynCompilers\tools\VBCSCompiler.exe ;
26. ENV ROSLYN_COMPILER_LOCATION c:\\RoslynCompilers\\tools
28. EXPOSE 80
30. ENTRYPOINT ["C:\\ServiceMonitor.exe", "w3svc"]

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注意：2018/06/08 访问 https://api.nuget.org/packages/microsoft.net.compilers.2.8.2.nupkg 地址时 CDN 会转换成
https://nuget.cdn.azure.cn/packages/microsoft.net.compilers.2.8.2.nupkg 但这个网址并不存在此文件

1. docker build -t yourname/websitename:version .

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1.2 Docker pull方式

1. docker pull microsoft/aspnet:4.7.2-windowsservercore-ltsc2016

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2 更换Tag(非必需) 个人习惯

1. docker tag microsoft/aspnet:4.7.2-windowsservercore-ltsc2016 microsoft/aspnet:latest

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有两种方式运行网站

直接使用ASPNET镜像运行网站

1. docker run `
2. -d `
3. --link mssql01 `
4. --name siteserver01 `
5. -v C:/Users/Administrator/Desktop/Web/SiteServer01:C:/inetpub/wwwroot `
6. -p 80:80 `
7. --restart=always `
8. microsoft/aspnet

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将网站封装进容器

Dockerfile
其中"."代表网站根目录

1. FROM microsoft/aspnet
2. COPY . /inetpub/wwwroot
3. EXPOSE 80

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1. docker build -t yourname/website:version .

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1. docker run --link mssql01 -d -p 80:80 --name website01 --restart=always yourname/website:version

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容器互联(可选 除link的另外一种方式)

1. docker network create website01_network
2. docker network connect website01_network website01
3. docker network connect website01_network mssql01

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清理孤立的数据卷

1. docker volume ls -qf dangling=true

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参考

将旧版整体式 .NET Framework 应用程序迁移到 Windows 容器

将 ASP.NET MVC 应用程序迁移到 Windows 容器

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来源：https://blog.csdn.net/hatmen2/article/details/80628864
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