added example .env

.env

@@ -0,0 +1,7 @@
+PG_HOST=db
+PG_PORT=5432
+PG_USER=postgres
+PG_PASSWORD=changeme
+PG_DATABASE=webchat
+SESSION_SECRET=changeme
+JWT_SECRET=changeme

.gitignore

@@ -1,4 +1,3 @@
 node_modules/
 .idea
-package-lock.json
+package-lock.json
-.env

backend/db.js

@@ -15,24 +15,33 @@ db.connect()
     .catch((err) => console.log('Error on connecting to database: ', err));
 
 async function createTables() {
-    await db.query(`
+    try {
-      CREATE TABLE IF NOT EXISTS accounts (
+        // Create accounts table
-        id SERIAL PRIMARY KEY,
+        await db.query(`
-        username VARCHAR(255) UNIQUE NOT NULL,
+            CREATE TABLE IF NOT EXISTS accounts (
-        password VARCHAR(255) NOT NULL
+                id SERIAL PRIMARY KEY,
-      )
+                username VARCHAR(255) UNIQUE NOT NULL,
-    `);
+                password VARCHAR(255) NOT NULL
+            )
+        `);
 
-    // Create messages table
+        // Create messages table
-    await db.query(`
+        await db.query(`
-      CREATE TABLE IF NOT EXISTS messages (
+            CREATE TABLE IF NOT EXISTS messages (
-        id SERIAL PRIMARY KEY,
+                id SERIAL PRIMARY KEY,
-        content TEXT NOT NULL,
+                content TEXT NOT NULL,
-        username VARCHAR(50) NOT NULL,
+                username VARCHAR(50) NOT NULL,
-        recipient VARCHAR(255) NOT NULL
+                recipient VARCHAR(255) NOT NULL
-      )
+            )
-    `);
+        `);
+
+        console.log('Tables created successfully');
+    } catch (err) {
+        console.error('Error creating tables:', err);
+        throw err;
+    }
 }
+
 createTables()
     .catch((err) => {
         console.error('Error creating tables:', err);