ruby - Optimizating application.yml file in rails application -

i have constants in application.yml file using in application @ different places.

example ( in config/application.yml)

 main_url : "http://abc.net/api"      a_url: "http://abc.net/api/a"      b_url: "http://abc.net/api/b"      c_url: "http://abc.net/api/c" 

looking code url "http://abc.net/api" repeating @ every place. want remove repeating url , use main_url + rest url combination. how in application.yml want application.yml should

main_url : "http://abc.net/api"      a_url: main_url + "/a"      b_url: main_url + "/b"      c_url: main_url + "/c" 

what best way remove repeated code configuration yaml file.

i don't think possible. can reuse "node" not part of it.

bill-to: &id001     given  : chris     family : dumars ship-to: *id001 

this valid yaml , fields given , family reused in ship-to block. can reuse scalar node same way there's no way can change what's inside , add last part of path inside yaml.

if repetition bother suggest make application aware of root property , add every path looks relative not absolute.

source: how reference yaml "setting" elsewhere in same yaml file?