BE-feat : DB에 data 추가

- mysql2 createPool을 이용한 db 연동
- db에 data를 넣기 위한 data_insert 파일 작성

 module.exports = {
     env: {
       browser: true,
-      commonjs: true,
       es2021: true,
       node: true,
     },

-var createError = require('http-errors');
-var express = require('express');
-var path = require('path');
-var cookieParser = require('cookie-parser');
-var logger = require('morgan');
+let createError = require('http-errors');
+let express = require('express');
+let path = require('path');
+let cookieParser = require('cookie-parser');
+let logger = require('morgan');
 
-var indexRouter = require('./routes/index');
+let indexRouter = require('./routes/index');
 
-var app = express();
+let app = express();
 
 // view engine setup
 app.set('views', path.join(__dirname, 'views'));

+const db = require('../model/db');
+const profanity1 = require('./profanity1.json');
+const profanity2 = require('./profanity2.json');
+
+const insertDB = async () => {
+    let sumOfProfanity = [...new Set([...profanity1.profanity,...profanity2.profanity])];
+    sumOfProfanity = sumOfProfanity.map((element) => [element]);
+    try {
+        const insertQuery = "insert into profanity (content) values ?;";
+        const result = await db.query(insertQuery, [sumOfProfanity]);
+        console.log('yes');
+    } catch (err) {
+        console.log(err);
+    }
+}
+
+module.exports = insertDB;
\ No newline at end of file

+const mysql = require('mysql2/promise');
+const dotenv = require('dotenv');
+const path = require('path');
+
+dotenv.config({path:path.join(__dirname, "../.env")});
+
+const db = mysql
+  .createPool({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    port: process.env.DB_PORT,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_DATABASE,
+    connectionLimit: 10,
+  });
+
+module.exports = db;

@@ -9,10 +9,12 @@
   "dependencies": {
     "cookie-parser": "~1.4.4",
     "debug": "~2.6.9",
+    "dotenv": "^8.2.0",
     "express": "~4.16.1",
     "http-errors": "~1.6.3",
     "jade": "~1.11.0",
-    "morgan": "~1.9.1"
+    "morgan": "~1.9.1",
+    "mysql2": "^2.2.5"
   },
   "devDependencies": {
     "eslint": "^7.15.0"

 var express = require('express');
+const insertDB = require('../data_json/data_insert');
 var router = express.Router();
 
 /* GET home page. */
 router.get('/', function(req, res, next) {
-  res.json('index3');
+  res.send('hello');
 });
 
 module.exports = router;