Function lock_user 

pub async fn lock_user(
    client: &DockerClient,
    container: &str,
    username: &str,
) -> Result<(), DockerError>

Lock a user account (disable password authentication)

Uses passwd -l to lock the account. The user will not be able to log in using password authentication.

Arguments

• client - Docker client
• container - Container name or ID
• username - Username to lock