[Feat] MySQL과 Express 서버 연동 (#73)

packages/server/config/db.js

@@ -0,0 +1,20 @@
+const mysql = require('mysql2');
+
+const dbConfig = {
+  host: process.env.HOST,
+  user: process.env.USERNAME,
+  password: process.env.PASSWORD,
+  port: process.env.PORT,
+};
+
+const pool = mysql.createPool(dbConfig);
+
+pool.getConnection(err => {
+  if (err) {
+    console.error('MySQL 연결 실패:', err);
+  } else {
+    console.log('MySQL 연결 성공');
+  }
+});
+
+module.exports = pool;

packages/server/index.js

@@ -1,5 +1,8 @@
 const express = require('express');
 const cors = require('cors');
+const db = require('./config/db');
+
+require('dotenv').config();
 
 const app = express();
 const port = process.env.PORT || 3000;

packages/server/package.json

@@ -14,6 +14,7 @@
     "eslint": "^7.32.0 || ^8.2.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-plugin-import": "^2.25.2",
+    "mysql2": "^3.6.0",
     "nodemon": "^3.0.1"
   }
 }

yarn.lock

@@ -5509,6 +5509,11 @@ delayed-stream@~1.0.0:
   resolved "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz"
   integrity sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==
 
+denque@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/denque/-/denque-2.1.0.tgz#e93e1a6569fb5e66f16a3c2a2964617d349d6ab1"
+  integrity sha512-HVQE3AAb/pxF8fQAoiqpvg9i3evqug3hoiwakOyZAwJm+6vZehbkYXZ0l4JxS+I3QxM97v5aaRNhj8v5oBhekw==
+
 [email protected]:
   version "2.0.0"
   resolved "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz"
@@ -6675,6 +6680,13 @@ functions-have-names@^1.2.2, functions-have-names@^1.2.3:
   resolved "https://registry.npmjs.org/functions-have-names/-/functions-have-names-1.2.3.tgz"
   integrity sha512-xckBUXyTIqT97tq2x2AMb+g163b5JFysYk0x4qxNFwbfQkmNZoiRHb6sPzI9/QV33WeuvVYBUIiD4NzNIyqaRQ==
 
+generate-function@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.3.1.tgz#f069617690c10c868e73b8465746764f97c3479f"
+  integrity sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==
+  dependencies:
+    is-property "^1.0.2"
+
 gensync@^1.0.0-beta.2:
   version "1.0.0-beta.2"
   resolved "https://registry.npmjs.org/gensync/-/gensync-1.0.0-beta.2.tgz"
@@ -7350,6 +7362,11 @@ is-potential-custom-element-name@^1.0.1:
   resolved "https://registry.npmjs.org/is-potential-custom-element-name/-/is-potential-custom-element-name-1.0.1.tgz"
   integrity sha512-bCYeRA2rVibKZd+s2625gGnGF/t7DSqDs4dP7CrLA1m7jKWz6pps0LpYLJN8Q64HtmPKJ1hrN3nzPNKFEKOUiQ==
 
+is-property@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
+  integrity sha512-Ks/IoX00TtClbGQr4TWXemAnktAQvYB7HzcCxDGqEZU6oCmb2INHuOoKxbtR+HFkmYWBKv/dOZtGRiAjDhj92g==
+
 is-regex@^1.1.4:
   version "1.1.4"
   resolved "https://registry.npmjs.org/is-regex/-/is-regex-1.1.4.tgz"
@@ -8386,7 +8403,7 @@ long@^4.0.0:
   resolved "https://registry.yarnpkg.com/long/-/long-4.0.0.tgz#9a7b71cfb7d361a194ea555241c92f7468d5bf28"
   integrity sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==
 
-long@^5.0.0:
+long@^5.0.0, long@^5.2.1:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/long/-/long-5.2.3.tgz#a3ba97f3877cf1d778eccbcb048525ebb77499e1"
   integrity sha512-lcHwpNoggQTObv5apGNCTdJrO69eHOZMi4BNC+rTLER8iHAqGrUVeLh/irVIM7zTw2bOXA8T6uNPeujwOLg/2Q==
@@ -8419,6 +8436,16 @@ lru-cache@^6.0.0:
   dependencies:
     yallist "^4.0.0"
 
+lru-cache@^7.14.1:
+  version "7.18.3"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-7.18.3.tgz#f793896e0fd0e954a59dfdd82f0773808df6aa89"
+  integrity sha512-jumlc0BIUrS3qJGgIkWZsyfAM7NCWiBcCDhnd+3NNM5KbBmLTgHVfWBcg6W+rLUsIpzpERPsvwUP7CckAQSOoA==
+
+lru-cache@^8.0.0:
+  version "8.0.5"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-8.0.5.tgz#983fe337f3e176667f8e567cfcce7cb064ea214e"
+  integrity sha512-MhWWlVnuab1RG5/zMRRcVGXZLCXrZTgfwMikgzCegsPnG62yDQo5JnqKkrK4jO5iKqDAZGItAqN5CtKBCBWRUA==
+
 lz-string@^1.5.0:
   version "1.5.0"
   resolved "https://registry.npmjs.org/lz-string/-/lz-string-1.5.0.tgz"
@@ -8604,6 +8631,20 @@ multicast-dns@^7.2.5:
     dns-packet "^5.2.2"
     thunky "^1.0.2"
 
+mysql2@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/mysql2/-/mysql2-3.6.0.tgz#d54ef4867655daf2f65ced1dbdb63852314f039f"
+  integrity sha512-EWUGAhv6SphezurlfI2Fpt0uJEWLmirrtQR7SkbTHFC+4/mJBrPiSzHESHKAWKG7ALVD6xaG/NBjjd1DGJGQQQ==
+  dependencies:
+    denque "^2.1.0"
+    generate-function "^2.3.1"
+    iconv-lite "^0.6.3"
+    long "^5.2.1"
+    lru-cache "^8.0.0"
+    named-placeholders "^1.1.3"
+    seq-queue "^0.0.5"
+    sqlstring "^2.3.2"
+
 mz@^2.7.0:
   version "2.7.0"
   resolved "https://registry.npmjs.org/mz/-/mz-2.7.0.tgz"
@@ -8613,6 +8654,13 @@ mz@^2.7.0:
     object-assign "^4.0.1"
     thenify-all "^1.0.0"
 
+named-placeholders@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/named-placeholders/-/named-placeholders-1.1.3.tgz#df595799a36654da55dda6152ba7a137ad1d9351"
+  integrity sha512-eLoBxg6wE/rZkJPhU/xRX1WTpkFEwDJEN96oxFrTsqBdbT5ec295Q+CoHrL9IT0DipqKhmGcaZmwOt8OON5x1w==
+  dependencies:
+    lru-cache "^7.14.1"
+
 nanoid@^3.3.6:
   version "3.3.6"
   resolved "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz"
@@ -10459,6 +10507,11 @@ [email protected]:
     range-parser "~1.2.1"
     statuses "2.0.1"
 
+seq-queue@^0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/seq-queue/-/seq-queue-0.0.5.tgz#d56812e1c017a6e4e7c3e3a37a1da6d78dd3c93e"
+  integrity sha512-hr3Wtp/GZIc/6DAGPDcV4/9WoZhjrkXsi5B/07QgX8tsdc6ilr7BFM6PM6rbdAX1kFSDYeZGLipIZZKyQP0O5Q==
+
 serialize-javascript@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-4.0.0.tgz"
@@ -10650,6 +10703,11 @@ sprintf-js@~1.0.2:
   resolved "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz"
   integrity sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==
 
+sqlstring@^2.3.2:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/sqlstring/-/sqlstring-2.3.3.tgz#2ddc21f03bce2c387ed60680e739922c65751d0c"
+  integrity sha512-qC9iz2FlN7DQl3+wjwn3802RTyjCx7sDvfQEXchwa6CWOx07/WVfh91gBmQ9fahw8snwGEWU3xGzOt4tFyHLxg==
+
 stable@^0.1.8:
   version "0.1.8"
   resolved "https://registry.npmjs.org/stable/-/stable-0.1.8.tgz"