server/environment-config.ts
export const SERVER_PORT: string = process.env.PORT || process.env.SERVER_PORT || '3000';
export const SECRET: string = process.env.SECRET || 'blogAppServerSecret';
export const TOKEN_EFFECTIVE_SECOND: number = Number(process.env.TOKEN_EFFECTIVE_SECOND) || 86400;
export const MONGO_URL: string = process.env.MONGO_URL || 'mongodb://localhost:27017/test';
export const MONGO_RETRY_INTERVAL: number = Number(process.env.MONGO_RETRY_INTERVAL) || 20; // 単位は秒
export const ROOT_USER_ID: string = process.env.ROOT_USER_ID || 'root';
export const ROOT_USER_PASSWORD: string = process.env.ROOT_USER_PASSWORD || 'root';
export const LIMIT_PER_PAGE: number = Number(process.env.LIMIT_PER_PAGE) || 20;