app-service/deploy-local-git/deploy-local-git.ps1

$gitdirectory="<Replace with path to local Git repo>"
$webappname="mywebapp$(Get-Random)"

cd $gitdirectory

# Create a web app and set up Git deployement.
New-AzWebApp -Name $webappname

# Configure GitHub deployment from your GitHub repo and deploy once.
$PropertiesObject = @{
    scmType = "LocalGit";
}
Set-AzResource -Properties $PropertiesObject -ResourceGroupName $webappname `
-ResourceType Microsoft.Web/sites/config -ResourceName $webappname/web `
-ApiVersion 2015-08-01 -Force

# Get publishing profile for the web app
$xml = [xml](Get-AzWebAppPublishingProfile -Name $webappname `
-ResourceGroupName $webappname `
-OutputFile null)

# Extract connection information from publishing profile
$username = $xml.SelectNodes("//publishProfile[@publishMethod=`"MSDeploy`"]/@userName").value
$password = $xml.SelectNodes("//publishProfile[@publishMethod=`"MSDeploy`"]/@userPWD").value

# Set git remote
git remote add azure https://${username}:$password@$webappname.scm.azurewebsites.net:443/$webappname.git

# Push your code to the new Azure remote
git push azure master