SSL SAN Self Signed Certificate Creation in PowerShell

Open powershell as administrator

$cert = New-SelfSignedCertificate -DnsName "server.docker.local", "localhost", "host.docker.internal" -CertStoreLocation cert:\localmachine\my

#export it for docker container to pick up later
$password = ConvertTo-SecureString -String "Pa55w0rd!" -Force -AsPlainText
Export-PfxCertificate -Cert $cert -FilePath C:\https\aspnetapp.pfx -Password $password

# trust it on our host machine
$store = New-Object System.Security.Cryptography.X509Certificates.X509Store "TrustedPublisher","LocalMachine"
$store.Open("ReadWrite")
$store.Add($cert)
$store.Close()