LDAP is configured via the following environment variables:

```
$ mc admin config set myminio identity_ldap --env
KEY:
identity_ldap  enable LDAP SSO support

ARGS:
MINIO_IDENTITY_LDAP_SERVER_ADDR*            (address)   AD/LDAP server address e.g. "myldap.com" or "myldapserver.com:636"

export MINIO_ROOT_PASSWORD="minio123"
export MINIO_KMS_AUTO_ENCRYPTION=off
export MINIO_PROMETHEUS_AUTH_TYPE=public
export MINIO_KMS_SECRET_KEY=my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw=
export MINIO_IDENTITY_LDAP_SERVER_ADDR="localhost:389"
export MINIO_IDENTITY_LDAP_SERVER_INSECURE="on"
export MINIO_IDENTITY_LDAP_LOOKUP_BIND_DN="cn=admin,dc=min,dc=io"
export MINIO_IDENTITY_LDAP_LOOKUP_BIND_PASSWORD="admin"