add config

.env.example

@@ -0,0 +1,6 @@
+DB_CONNECTION=mysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_DATABASE=auth
+DB_USERNAME=root
+DB_PASSWORD=

main.ts

@@ -1,8 +1,21 @@
 import express from 'express';
 import logger from 'morgan'
-// import path from 'path'
+import path from 'path'
 const app = express();
+import fs from 'fs'
+import dotenv from 'dotenv'
 
+// 检测运行目录下是否有 .env 文件，如果没有，则创建
+const envPath = path.resolve(__dirname, '.env')
+if (!fs.existsSync(envPath)) {
+    fs.writeFileSync(envPath, '')
+    // log
+    console.log('create .env file')
+}
+
+// 加载 .env 文件
+dotenv.config()
+console.log(process.env)
 
 import indexRouter from './src/routes/index'
 import usersRouter from './src/routes/users'

package.json

@@ -19,7 +19,7 @@
       "typescript": "4.5.2"
    },
    "scripts": {
-      "start": "ts-node src/index.ts",
+      "start": "ts-node src/config/index.ts",
       "typeorm": "typeorm-ts-node-commonjs"
    }
 }

src/config/data-source.ts

@@ -1,6 +1,6 @@
 import "reflect-metadata"
 import { DataSource } from "typeorm"
-import { User } from "./entity/User"
+import { User } from "../entity/User"
 
 export const AppDataSource = new DataSource({
     type: "mysql",

src/config/index.ts

@@ -1,5 +1,5 @@
 import { AppDataSource } from "./data-source"
-import { User } from "./entity/User"
+import { User } from "../entity/User"
 
 AppDataSource.initialize().then(async () => {