salix/services/mailer/application/config.js

require('require-yaml');
const fs = require('fs-extra');
const packageJson = require('../package.json');
let configPath = `/etc/${packageJson.name}`;
let env = process.env.NODE_ENV ? process.env.NODE_ENV : 'development';

let config = require('./config/datasources.json');
let configFiles = [
    `${configPath}/datasources.json`,
    `${configPath}/datasources.${env}.json`
];

for (let configFile of configFiles) {
    if (fs.existsSync(configFile))
        Object.assign(config, require(configFile));
}

let proxyConf = {};
let proxyFiles = [
    '../../nginx/config.yml',
    `${configPath}/config.yml`,
    `${configPath}/config.${env}.yml`
];

for (let proxyFile of proxyFiles) {
    if (fs.existsSync(proxyFile))
        Object.assign(proxyConf, require(proxyFile));
}

config.proxy = proxyConf;
config.package = packageJson;
config.env = env;

module.exports = config;