v2.0: SQLite statt PostgreSQL (keine externe DB nötig)

Dockerfile

@@ -1,5 +1,8 @@
 FROM node:22-alpine
 
+# better-sqlite3 braucht build tools
+RUN apk add --no-cache python3 make g++
+
 WORKDIR /app
 
 COPY package*.json ./
@@ -7,6 +10,9 @@ RUN npm install --production
 
 COPY . .
 
+# Datenverzeichnis für SQLite
+RUN mkdir -p /data
+
 EXPOSE 3000
 
 CMD ["node", "server.js"]

package.json

@@ -1,14 +1,14 @@
 {
   "name": "techno-todo",
-  "version": "1.0.0",
-  "description": "⚡ 90s Techno-Style Todo App",
+  "version": "2.0.0",
+  "description": "⚡ 90s Techno-Style Todo App (SQLite edition)",
   "main": "server.js",
   "scripts": {
     "start": "node server.js"
   },
   "dependencies": {
     "express": "^4.21.0",
-    "pg": "^8.13.0",
+    "better-sqlite3": "^11.7.0",
     "ejs": "^3.1.10"
   }
 }

server.js

@@ -1,33 +1,22 @@
 const express = require('express');
-const { Pool } = require('pg');
+const Database = require('better-sqlite3');
 const path = require('path');
 
 const app = express();
 const PORT = process.env.PORT || 3000;
 
-// PostgreSQL connection
-const pool = new Pool({
-  connectionString: process.env.DATABASE_URL,
-  ssl: process.env.DB_SSL === 'true' ? { rejectUnauthorized: false } : false,
-});
-
-// Initialize DB table
-async function initDB() {
-  const client = await pool.connect();
-  try {
-    await client.query(`
+// SQLite – keine externe DB nötig
+const db = new Database('/data/todos.db');
+db.pragma('journal_mode = WAL');
+db.exec(`
   CREATE TABLE IF NOT EXISTS todos (
-        id SERIAL PRIMARY KEY,
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
     text TEXT NOT NULL,
-        done BOOLEAN DEFAULT FALSE,
-        created_at TIMESTAMP DEFAULT NOW()
+    done INTEGER DEFAULT 0,
+    created_at TEXT DEFAULT (datetime('now'))
   )
 `);
-    console.log('⚡ DATABASE ONLINE ⚡');
-  } finally {
-    client.release();
-  }
-}
+console.log('⚡ DATABASE ONLINE (SQLite) ⚡');
 
 app.use(express.urlencoded({ extended: true }));
 app.use(express.static(path.join(__dirname, 'public')));
@@ -35,44 +24,39 @@ app.set('view engine', 'ejs');
 app.set('views', path.join(__dirname, 'views'));
 
 // Routes
-app.get('/', async (req, res) => {
+app.get('/', (req, res) => {
   try {
-    const result = await pool.query('SELECT * FROM todos ORDER BY created_at DESC');
-    res.render('index', { todos: result.rows, error: null });
+    const todos = db.prepare('SELECT * FROM todos ORDER BY created_at DESC').all();
+    res.render('index', { todos, error: null });
   } catch (err) {
-    res.render('index', { todos: [], error: 'DATABASE CONNECTION LOST ⚠' });
+    res.render('index', { todos: [], error: 'DATABASE ERROR ⚠' });
   }
 });
 
-app.post('/add', async (req, res) => {
+app.post('/add', (req, res) => {
   const { text } = req.body;
   if (text && text.trim()) {
-    await pool.query('INSERT INTO todos (text) VALUES ($1)', [text.trim()]);
+    db.prepare('INSERT INTO todos (text) VALUES (?)').run(text.trim());
   }
   res.redirect('/');
 });
 
-app.post('/toggle/:id', async (req, res) => {
-  await pool.query('UPDATE todos SET done = NOT done WHERE id = $1', [req.params.id]);
+app.post('/toggle/:id', (req, res) => {
+  db.prepare('UPDATE todos SET done = NOT done WHERE id = ?').run(req.params.id);
   res.redirect('/');
 });
 
-app.post('/delete/:id', async (req, res) => {
-  await pool.query('DELETE FROM todos WHERE id = $1', [req.params.id]);
+app.post('/delete/:id', (req, res) => {
+  db.prepare('DELETE FROM todos WHERE id = ?').run(req.params.id);
   res.redirect('/');
 });
 
-// Health check
-app.get('/health', (req, res) => res.json({ status: 'ONLINE', db: 'CONNECTED' }));
+app.get('/health', (req, res) => res.json({ status: 'ONLINE', db: 'SQLITE' }));
 
-initDB().then(() => {
 app.listen(PORT, () => {
   console.log(`╔══════════════════════════════════════╗`);
-    console.log(`║   ⚡ TECHNO-TODO v1.0 ONLINE ⚡     ║`);
+  console.log(`║   ⚡ TECHNO-TODO v2.0 ONLINE ⚡     ║`);
   console.log(`║   PORT: ${PORT}                       ║`);
+  console.log(`║   DB: SQLite (no externals)        ║`);
   console.log(`╚══════════════════════════════════════╝`);
 });
-}).catch(err => {
-  console.error('Failed to init DB:', err);
-  process.exit(1);
-});