--- title: "Backend" description: "APIs, background workers, queues, cron jobs and webhooks." url: https://railway.com/guides/topics/backend guides: 22 last_updated: 2026-11-05T22:09:49.361Z --- # Backend APIs, background workers, queues, cron jobs and webhooks. ## Get started 1. [Deploy RabbitMQ and Wire Up Producers and Consumers](https://railway.com/guides/rabbitmq-producers-consumers.md): Run RabbitMQ on Railway, expose the management UI, and connect producer and consumer services over private networking with Node.js and amqplib. 2. [Run an Embeddings Pipeline with an External API and pgvector](https://railway.com/guides/embeddings-pipeline.md): Deploy a batch worker on Railway that generates embeddings through an external API and stores them in Postgres with pgvector. Covers schema design, safe concurrent processing, and the psycopg2 vector adaptation gotcha. 3. [Deploy an LLM Gateway with LiteLLM](https://railway.com/guides/ai-api-proxy.md): Deploy LiteLLM Proxy on Railway as an LLM gateway for multiple providers. Covers model routing, cost tracking, API key management, caching with Redis, and private networking. ## Build and deploy - [Deploy a Multi-Agent System on Railway](https://railway.com/guides/multi-agent-system.md): Deploy multiple AI agents as separate Railway services that communicate via Redis and Postgres. Includes working orchestrator and agent code, inter-service communication, and independent scaling. - [Deploy a Full-Stack Next.js App with Postgres, Background Jobs, and File Uploads](https://railway.com/guides/fullstack-nextjs.md): Deploy a production Next.js application on Railway with a Postgres database, Redis-backed background workers, and file uploads via storage buckets. Covers multi-service architecture and production hardening. - [Deploy a SaaS Backend with Postgres, Workers, and Webhooks](https://railway.com/guides/saas-backend.md): Set up a production SaaS backend on Railway with an API service, Postgres database, background worker, and cron job for webhook processing. - [Deploy an AI Agent with Async Workers](https://railway.com/guides/ai-agent-workers.md): Run AI agent workflows on Railway with an API service, async workers via Redis queue, and Postgres for state persistence. Covers CPU-based agent patterns without GPU. - [Run Scheduled and Recurring Tasks with Cron](https://railway.com/guides/run-scheduled-and-recurring-tasks-with-cron.md): A detailed overview of how cron jobs work and how to run them effectively on Railway. Explains cron syntax, use cases, reliability patterns, resource management, and the execution model behind Railway’s scheduled services. - [Building a SaaS application on Railway](https://railway.com/guides/building-a-saas-application.md): Zero to one, building a SaaS application on Railway ## Run in production - [Receive Webhooks at Scale](https://railway.com/guides/webhooks-at-scale.md): Build a webhook receiver that verifies signatures, responds fast, and queues work for a background worker. Covers idempotency keys, retries, and how to run the pattern on Railway. - [Lock Down a Production Railway Project](https://railway.com/guides/lock-down-production-project.md): Harden a production Railway project with Under Attack Mode, private networking, scoped API tokens, sealed variables, and workspace-level access controls. - [Set Up Alerts for Crashes, Restarts, and Failed Deploys](https://railway.com/guides/alerts-crashes-failed-deploys.md): Configure Railway webhooks and monitors to get notified in Slack, Discord, or your own service when a deployment fails, crashes, or a resource threshold is crossed. - [Scaling a SaaS application on Railway](https://railway.com/guides/scaling-a-saas-application.md): Time to launch, scaling your SaaS on Railway ## Compare and decide - [The Best Backend Hosting for Node.js APIs, Postgres, and Workers](https://railway.com/guides/best-backend-hosting-node-api-postgres.md): Backend hosting options compared for Node.js. - [Choose Between Cron Jobs, Background Workers, and Queues](https://railway.com/guides/cron-workers-queues.md): When to use cron jobs, always-on workers, and message queues for background processing. Covers tradeoffs, failure modes, and how to run each pattern on Railway. - [Serverless functions vs containers: CI/CD, database connections, cron jobs, and long-running tasks](https://railway.com/guides/serverless-functions-vs-containers-cicd-database-connections-cron-jobs-and-long-running-tasks.md): Comparing serverless and container deployments about auto-deploy workflows, secure database connections, scheduled jobs, rollbacks, and resource-intensive tasks. Each section explains both approaches honestly, with guidance on when serverless constraints matter and when containers make more sense. ## More guides - [Serve a Multi-Region API with Failover](https://railway.com/guides/multi-region-api-failover.md): Run one API service across multiple Railway regions with replicas, nearest-region routing, and automatic replica restarts. Covers routing behavior, health checks, and what failover Railway gives you. - [Schedule, Retry, and Dead-Letter Jobs with BullMQ](https://railway.com/guides/bullmq-jobs-retry-dlq.md): Run BullMQ on Railway with a Redis service and an always-on worker. Covers repeatable job schedules, retries with exponential backoff, and a dead-letter queue pattern. - [Implementing Feature Flags from Scratch](https://railway.com/guides/implement-feature-flags-from-scratch.md): Learn how to implement feature flags from scratch - [Cron Jobs with Django and GitHub Actions](https://railway.com/guides/cron-jobs-django-github-actions.md): Run a cron job on Railway with the help of Django and GitHub Actions - [Queues on Railway](https://railway.com/guides/queues.md): In this post, we take a look at a template allowing us to deploy a robust queue system on Railway using BullMQ and Redis. - [Cron Jobs on Railway](https://railway.com/guides/cron-jobs.md): A brief guide on deploying and running cron jobs on Railway using JavaScript. ## Related topics - [Storage](https://railway.com/guides/topics/storage.md): Run Postgres, Redis, MySQL and object storage on Railway: pooling, backups, migrations and vector search. - [AI Agents](https://railway.com/guides/topics/ai.md): Host agents, MCP servers, RAG pipelines, model gateways and inference services. - [Frameworks and Languages](https://railway.com/guides/topics/frameworks.md): Deploy apps in Python, Go, Rust, Ruby, PHP, Java, Elixir and more, with their frameworks. - [Comparisons and Migrations](https://railway.com/guides/topics/comparisons.md): How Railway compares with other platforms, what it costs, and how to move over from Heroku, AWS and others. - [CI/CD](https://railway.com/guides/topics/ci-cd.md): Preview environments, GitHub Actions, monorepos, config as code and safe rollbacks. - [Networking](https://railway.com/guides/topics/networking.md): Domains, private networking, proxies, CDNs, WebSockets and multi-region traffic.