Celery vs Trigger.dev

from celery import Celery

app = Celery('tasks', broker='redis://localhost:6379/0')

@app.task
def send_welcome_email(user_id: int):
    user = User.objects.get(id=user_id)
    email_service.send_welcome(user.email)

@app.task
def process_upload(file_path: str):
    result = run_etl_pipeline(file_path)
    return result

# Trigger from your view:
send_welcome_email.delay(user.id)

# Run worker:
# celery -A tasks worker --loglevel=info

import { task } from '@trigger.dev/sdk/v3';

export const sendWelcomeEmail = task({
  id: 'send-welcome-email',
  retry: { maxAttempts: 3, minTimeoutInMs: 1000, factor: 2 },
  run: async (payload: { userId: string; email: string }) => {
    const user = await db.users.findUnique({ where: { id: payload.userId } });
    await resend.emails.send({
      from: 'hello@myapp.com',
      to: payload.email,
      subject: 'Welcome!',
      html: `<p>Welcome, ${user.name}!</p>`,
    });
    return { sent: true };
  },
});

// Trigger from anywhere:
await sendWelcomeEmail.trigger({ userId: '123', email: 'alice@example.com' });