To configure a new Security Domain, the user must define the
`SECDOMAIN_NAME` environment variable.

This will result in the creation of a security domain named
after the environment variable. The user may also define the following
environment variables to customize the domain:

|===
|Variable name |Description |Example value

|`SECDOMAIN_NAME`
| Define in order to enable the definition of an additional security
domain.
| `myDomain`
|`SECDOMAIN_PASSWORD_STACKING`
| If defined, the password-stacking module option is enabled and
  set to the value useFirstPass.
| `true`

|`SECDOMAIN_LOGIN_MODULE`
| The login module to be used. +
    Defaults to `UsersRoles`
| `UsersRoles`

|`SECDOMAIN_USERS_PROPERTIES`
|   The name of the properties file containing user definitions. +
    Defaults to `users.properties`
| `users.properties`

|`SECDOMAIN_ROLES_PROPERTIES`
|   The name of the properties file containing role definitions. +
    Defaults to `roles.properties`
| `roles.properties`
|===