// App secrets are ordered in a tree structure: $secrets == [ 'MYSQL' => [ 'PASSWORD' => "{{mysql-password}}", 'USER' => "{{mysql-user}}", 'DATABASE' => "{{mysql-database}}", 'HOST' => "{{mysql-host}}", 'PORT' => "{{mysql-port}}", ], 'CUSTOM' => [ 'YOUR_CUSTOM_SECRET' => "{{YOUR_CUSTOM_SECRET}}", 'yourOtherCustomSecret' => "{{yourOtherCustomSecret}}" ] ];