Public/Find-DockerImage.ps1
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<#
.Synopsis Search for docker images on Docker Hub .Description Search for docker images on Docker Hub via Docker Hub API. You can filter search by Name/Description, Stars, Downloads, Official images and Automated builds. .Parameter SearchTerm Search term. Docker Hub will search it in the Name and Description. If search term is not specified, function will return all available images using wildcard query ('*'). .Parameter SortBy Sort by Downloads or Stars. Sorting is performed on Docker Hub side. .Parameter Automated Search only for automated builds Note, that this parameter is not available, when SearchTerm is omitted (wildcard query) .Parameter Official Search only for official images Note, that this parameter is not available, when SearchTerm is omitted (wildcard query) .Parameter MaxResults Maximum number of results to return. Default is 25. .Example Find-DockerImage -SearchTerm mariadb -Official Search for official MariaDB docker images .Example Find-DockerImage -SearchTerm ruby -SortBy Stars -Automated -MaxResults 5 Search for automated builds of 'ruby', sort by stars, return 5 top results .Example Find-DockerImage -SearchTerm mariadb -SortBy Downloads | Where-Object {$_.Name -like '*alpine*'} Search for MariaDB docker images, sort by downloads. Then find images built on Alpine Linux using PowerShell filtering. .Example Find-DockerImage -SortBy Downloads Get most downloaded docker images .Example Find-DockerImage -SortBy Stars Get most starred docker images #> function Find-DockerImage { [CmdletBinding(DefaultParameterSetName = '__AllParameterSets')] Param ( [Parameter(Position = 0, ValueFromPipeline = $true)] [string[]]$SearchTerm, [Parameter(Position = 1)] [ValidateSet('Downloads', 'Stars')] [string]$SortBy, [Parameter(Position = 2, ParameterSetName = 'SearchTerm_Automated')] [switch]$Automated, [Parameter(Position = 2, ParameterSetName = 'SearchTerm_Official')] [switch]$Official, [Parameter(Position = 3)] [int]$MaxResults = 25 ) Begin { $RequestTpl = 'search/repositories/?query={0}' $QueryParamMap = @{ Automated = 'is_automated=1' Official = 'is_official=1' Downloads = 'ordering=-pull_count' Stars = 'ordering=-star_count' } } Process { $SearchTerm = $SearchTerm -replace '^$', '*' $QueryParams = @() if ($Automated) { $QueryParams += $QueryParamMap.Automated } if ($Official) { $QueryParams += $QueryParamMap.Official } if ($SortBy) { $QueryParams += $QueryParamMap.$SortBy } $Request = $SearchTerm | ForEach-Object { ( @($RequestTpl -f [System.Net.WebUtility]::UrlEncode($_)) + $QueryParams ) -join '&' } Invoke-DockerHubWebRequest -Request $Request -Paginated -UsePageSize -MaxResults $MaxResults | Select-Object -Property ( @{n = 'Name' ; e = {$_.repo_name}}, @{n = 'Description' ; e = {$_.short_description}}, @{n = 'Stars' ; e = {$_.star_count}}, @{n = 'Downloads' ; e = {$_.pull_count}}, @{n = 'Official' ; e = {$_.is_official}}, @{n = 'Automated' ; e = {$_.is_automated}} ) | Add-TypeName -TypeName $PSCmdlet.MyInvocation.MyCommand.Name } } |