lock '3.2.1'
    set :application, 'my_app'
    set :repo_url, 'path_to_git_repo.git'
    set :deploy_user, 'root'
    set :deploy_to, '/var/www'
    set :branch, 'master-final_code'
    set :scm, :git
    set :deploy_via, :copy
    set :format, :pretty
    set :stages, ["staging"]
    set :log_level, :debug
    set :pty, true

set :stage, :staging
    role :app, %w{root@my_ip_add}
     %w{[root]}
    server 'my_ip_add', user: 'root', roles: %w{app}
    set :ssh_options, {
        forward_agent: false,
        auth_methods: %w(password),
        password: 'my_pass',
        user: 'root'
    }

Permission denied (publickey,keyboard-interactive).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.