feat: new DatabaseInstance class for universal database management, W.I.P

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:21
+FROM oven/bun:latest
 
 # Install netcat
 RUN apt-get update && apt-get install -y netcat-traditional
@@ -6,9 +6,10 @@ RUN apt-get update && apt-get install -y netcat-traditional
 WORKDIR /usr/src/app
 
 # Copy package.json and package-lock.json to the working directory
-COPY package*.json ./
+COPY package.json ./
+copy bun.lockb ./
 
-RUN npm install
+RUN bun install
 
 COPY . .
 

Structures/Classes/DatabaseInstance.js

@@ -0,0 +1,49 @@
+const mysql = require("mysql2");
+const { readdir } = require("fs");
+const path = require("path");
+
+/**
+ * Universal database instance to be used for any database operations
+ */
+class DatabaseInstance {
+    /**
+     * Construct the DatabaseInstance using the database credentials
+     * 
+     * @param {Object} credentials The database credentils in a standard mysql format
+     */
+    constructor(credentials) {
+        this.pool = mysql.createPool({
+            database: credentials.database,
+            user: credentials.user,
+            password: credentials.password,
+            host: credentials.host,
+            port: credentials.port,
+            enableKeepAlive: true,
+            waitForConnections: true,
+            connectionLimit: 10
+        });
+
+        console.log("[JET » DatabaseInstance] Successfully initialized database connection")
+
+        this.pool.on("connection", (err) => {
+            if (err) console.log("[JET » DatabaseInstance] Error occurred during connection");
+            else console.log("[JET » DatabaseInstance » client] Successfully created new connection");
+        });
+    }
+
+    /**
+     * 
+     * @param {String} query 
+     * @param {Array} values 
+     * @returns 
+     */
+    async execute(query, values, callback) {
+        this.pool.execute(query, values, callback);
+    }
+
+    async query(query, callback) {
+        this.pool.query(query, callback);
+    }
+}
+
+module.exports = { DatabaseInstance };

app.js

@@ -12,12 +12,17 @@
 // Imports
 //------------------------------------------------>
 
+// Packages
 const express = require("express");
 const bodyParser = require("body-parser");
 const cookieParser = require("cookie-parser");
 const mysql = require("mysql2");
 const path = require("path");
 
+// Classes
+const { DatabaseInstance } = require("./Structures/Classes/DatabaseInstance");
+
+// Load environment variables when not using docker
 if (!process.env.DOCKER) {
   const dotenv = require("dotenv");
   dotenv.config();
@@ -43,11 +48,10 @@ app.use(bodyParser.urlencoded({ extended: false }));
 app.use(cookieParser());
 
 //------------------------------------------------>
-// MySQL connection
+// Initialize database
 //------------------------------------------------>
 
-//! Make extra sure these values are loaded correctly, if you experience any connection issues.
-const db = mysql.createConnection({
+const db = new DatabaseInstance({
   database: process.env.DB_NAME,
   user: process.env.DB_USER,
   password: process.env.DB_PASSWORD,
@@ -55,14 +59,6 @@ const db = mysql.createConnection({
   port: process.env.DB_PORT
 });
 
-db.connect((error) => {
-  if (error) {
-    console.error("[JET] Error connecting to MySQL database:", error);
-  } else {
-    console.log("[JET] Database connected successfully");
-  }
-});
-
 //------------------------------------------------>
 // Routing
 //------------------------------------------------>

entrypoint.sh

@@ -14,4 +14,4 @@ check_database() {
 check_database
 
 # Start the Express app
-exec npm run start
+exec bun run start