myKeyAlias — Replace this value with an alias for your key.

keyPassword — Changes the password under which the private/secret key identified by alias is protected, from old_keypass to new_keypass , which must be at least 6 characters.

server.jks — A keystore file name. You can come up with a different name,

storePassword — Changes the password used to protect the integrity of the keystore contents. The new password is new_storepass, which must be at least 6 characters.