Now when checking config file if the value is blank it checks env variables for a variable defined as uppcase section + option with a separator of _.

seasoned_api/src/config/configuration.js

@@ -27,6 +27,11 @@ class Config {
 
 		const field = new Field(this.fields[section][option])
 
+		if (field.value === '') {
+			const envField = process.env[[section.toUpperCase(), option.toUpperCase()].join('_')]
+			if (envField !== undefined && envField.length !== 0) { return envField }
+		}
+
 		if (field.value === undefined) {
 			throw new Error(`${section} => ${option} is empty.`);
 		}