YOURLS_DB_HOST: "{{database_host}}"
YOURLS_DB_USER: "{{database_username}}"
YOURLS_DB_PASS: "{{database_password}}"
YOURLS_DB_NAME: "{{database_name}}"
YOURLS_SITE:    "https://{{domains[application_id]}}"
YOURLS_USER:    "{{applications.yourls.administrator_username}}"
YOURLS_PASS:    "{{yourls_administrator_password}}"