[Netdisco] unable to parse configuration file

[matthew j. <mje...@ho...>]

i have been trying to get this program to work for about three weeks and i'm about to pull my hair out! i'm new to this whole concept, don't know squat about what i'm doing, and really need y'alls help!! 

where i'm at now:

i've tried to run the netdisco-deploy command and i get all this in response:

[netdisco@localhost ~]$ ~/bin/netdisco-deploy
Unable to parse the configuration file: /home/netdisco/environments/deployment.yml: YAML::XS::Load Error: The problem:

    did not find expected key

was found at document: 1, line: 15, column: 2
while parsing a block mapping at line: 11, column: 1
 at /home/netdisco/perl5/lib/perl5/Dancer/Config.pm line 233.
    Dancer::Config::load_settings_from_yaml('/home/netdisco/environments/deployment.yml') called at /home/netdisco/perl5/lib/perl5/Dancer/Config.pm line 211
    Dancer::Config::load('Dancer::Config') called at /home/netdisco/perl5/lib/perl5/Dancer.pm line 276
    Dancer::import('Dancer', ':script') called at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4
    App::Netdisco::Configuration::BEGIN() called at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4
    eval {...} called at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4
    require App/Netdisco/Configuration.pm called at /home/netdisco/perl5/lib/perl5/App/Netdisco.pm line 8
    App::Netdisco::BEGIN() called at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4
    eval {...} called at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4
    require App/Netdisco.pm called at /home/netdisco/bin/netdisco-deploy line 39
    main::BEGIN() called at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4
    eval {...} called at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4
BEGIN failed--compilation aborted at /home/netdisco/perl5/lib/perl5/App/Netdisco/Configuration.pm line 4.
Compilation failed in require at /home/netdisco/perl5/lib/perl5/App/Netdisco.pm line 8.
BEGIN failed--compilation aborted at /home/netdisco/perl5/lib/perl5/App/Netdisco.pm line 8.
Compilation failed in require at /home/netdisco/bin/netdisco-deploy line 39.
BEGIN failed--compilation aborted at /home/netdisco/bin/netdisco-deploy line 39.

is document 1 my deployment.yml file, and if so, line 15 shows this: 
host: 'localhost; port=5432'

I'd be grateful for any help!!