docker implementation

backend/src/app.module.ts

@@ -20,8 +20,12 @@ import {
       isGlobal: true,
     }),
     TypeOrmModule.forRoot({
-      type: 'sqlite',
-      database: process.env.DATABASE_PATH ?? './database.sqlite',
+      type: 'postgres',
+      host: process.env.DATABASE_HOST || 'localhost',
+      port: parseInt(process.env.DATABASE_PORT || '5432', 10),
+      username: process.env.DATABASE_USERNAME || 'placebo_user',
+      password: process.env.DATABASE_PASSWORD || 'placebo_password',
+      database: process.env.DATABASE_NAME || 'placebo_backend_db',
       entities: [Article, Author, Category, LiveBlog, LiveBlogUpdate],
       synchronize: process.env.NODE_ENV !== 'production',
       logging: process.env.NODE_ENV === 'development',

backend/src/main.ts

@@ -15,6 +15,11 @@ async function bootstrap() {
   });
 
   app.setGlobalPrefix('api/v1');
-  await app.listen(process.env.PORT ?? 3000);
+  
+  const port = process.env.PORT ?? 3000;
+  const host = '0.0.0.0'; // Bind to all interfaces for Docker
+  await app.listen(port, host);
+  
+  console.log(`Application is running on: http://${host}:${port}`);
 }
 void bootstrap();

backend/src/modules/entities.ts

@@ -223,7 +223,7 @@ export class LiveBlogUpdate {
   @Column({ nullable: true })
   authorId: string;
 
-  @Column({ type: 'datetime', nullable: true })
+  @Column({ type: 'timestamp', nullable: true })
   scheduledAt: Date;
 
   @Column({ nullable: true })

backend/src/modules/live-blog.service.ts

@@ -376,8 +376,19 @@ export class LiveBlogService implements OnModuleInit {
       blogId: liveBlogId,
     });
 
+    // Send periodic keep-alive messages to prevent timeout
+    const keepAliveInterval = setInterval(() => {
+      try {
+        response.write(`: keep-alive\n\n`);
+      } catch (error) {
+        // Client disconnected, stop sending keep-alive
+        clearInterval(keepAliveInterval);
+      }
+    }, 15000); // Send keep-alive every 15 seconds
+
     // Handle client disconnect
     response.on('close', () => {
+      clearInterval(keepAliveInterval);
       this.sseClients.delete(clientId);
       this.logger.log(
         `Client ${clientId} disconnected from live blog ${liveBlogId}`,