Seeding an ASP.NET Core 5 Identity Database with Users Getting Started Generate a self-signed certificate. openssl req -x509 -newkey rsa:4096 -keyout localhost.key -out localhost.crt -subj "/CN=localhost" -addext "subjectAltName=DNS:localhost,DNS:identityserver" openssl pkcs12 -export -in localhost.crt -inkey localhost.key -out localhost.pfx -name "Seeding an ASP.NET Core 5 Identity Database with Users" Import the self-signed certificate. certutil -f -user -importpfx Root localhost.pfx Add the line below to the hosts file. 127.0.0.1 identityserver Start the services. docker compose up --build Open the diagnostics page. Enter the Username "[email protected]". Enter the Password "Pass123$". Click the Login button.