Nomad Job File for http-echo based on Windows Nano Server

_README.md

This is gist can be used to create a Windows Nano Server docker container that will run the http-echo sample application

Dockerfile

FROM microsoft/nanoserver                                                                                                       

ENV HTTP_ECHO_DOWNLOAD_URL "https://github.com/hashicorp/http-echo/releases/download/v0.2.3/http-echo_0.2.3_windows_amd64.zip"  
ENV HTTP_ECHO_PORT 8080                                                                                                         
ENV HTTP_ECHO_STRING "Hello World"                                                                                              

RUN powershell.exe -Command ; \                                                                                                 
        $handler = New-Object System.Net.Http.HttpClientHandler ; \                                                             
        $client = New-Object System.Net.Http.HttpClient($handler) ; \                                                           
        $client.Timeout = New-Object System.TimeSpan(0,30,0) ; \                                                                
        $cancelTokenSource = [System.Threading.CancellationTokenSource]::new() ; \                                              
        $responseMsg = $client.GetAsync([System.Uri]::new('%HTTP_ECHO_DOWNLOAD_URL%'), $cancelTokenSource.Token) ; \            
        $responseMsg.Wait() ; \                                                                                                 
        $downloadedFileStream = [System.IO.FileStream]::new('c:\http_echo.zip', [System.IO.FileMode]::Create, [System.IO.FileAcc
ess]::Write) ; \                                                                                                                
        $response = $responseMsg.Result ; \                                                                                     
        $copyStreamOp = $response.Content.CopyToAsync($downloadedFileStream) ; \                                                
        $copyStreamOp.Wait() ; \                                                                                                
        $downloadedFileStream.Close() ; \                                                                                       
        [System.IO.compression.ZipFile]::ExtractToDirectory('c:\http_echo.zip','c:\') ; \                                       
        Remove-Item c:\http_echo.zip -Force ; \                                                                                 
        Rename-Item c:\http-echo c:\http-echo.exe -Force                                                                        

CMD c:\http-echo.exe -listen=:%HTTP_ECHO_PORT% -text="%HTTP_ECHO_STRING%" 

example.nomad

job "example-job" {
  constraint {
    attribute = "${attr.kernel.name}"
    operator  = "="
    value     = "windows"
  }
  datacenters = ["dc1"]
  type = "service"
  update {
    max_parallel = 1
    min_healthy_time = "10s"
    healthy_deadline = "3m"
    auto_revert = true 
    canary = 0
  }
  group "example-group" {
    count = 1
    restart {
      attempts = 10
      interval = "5m"
      delay = "25s"
      mode = "delay"
    }
    task "example-task" {
      driver = "docker"
      config {
        image = "voiselle/http-echo-win:latest"
        port_map {
          http = 8080
        }
      }
      resources {
        cpu    = 500 
        memory = 256 
        network {
          mbits = 10
          port "http" {}
        }
      }
      service {
        name = "global-example-check"
        tags = ["global", "http-echo"]
        address_mode = "host"
        port = "http"
        check {
          name     = "alive"
          type     = "tcp"
          interval = "10s"
          timeout  = "2s"
        }
      }
    }
  }
}