SvelteKit on Railway
Railway publishes its own guide for deploying SvelteKit.
Svelte application framework that targets different deployment platforms through adapters.
What SvelteKit needs.
Every host claims to run SvelteKit, so the claim on its own decides nothing. These are the things SvelteKit actually requires from the platform underneath it, and what Railway publishes about each. Railway documents 3 of the 4.
Max request duration
15 minutes while data keeps transferring; closed after 5 minutes with no data transferred. Websocket connections are exempt and can stay open indefinitely.
SvelteKit load functions and form actions run on the server per request, bounded by this ceiling.
Sources (1) →Sources ↓
- Specs & Limits — Railway Docs ↗
“HTTP requests can run for up to 15 minutes if data keeps transferring (for example, keep-alive heartbeats), and are otherwise closed after 5 minutes with no data transferred. [...] Websocket connections are exempt from these duration and inactivity limits, and can stay open indefinitely, even while idle.”
Read 2026-09-05 · official docs
Edge network
Supported
The adapter decides where handlers run. An edge network is what makes the edge adapters worth choosing.
Sources (1) →Sources ↓
- Edge Networking — Railway Docs ↗
“Railway uses a globally distributed edge network to route traffic to your deployments. [...] Edge POPs are the entry points where user traffic first reaches Railway. Each request is terminated at the nearest POP and tagged with that POP's ID in the X-Railway-Edge header.”
Read 2026-09-05 · official docs
Build allowance
Not documented
Prerenderable routes are resolved at build time, so build allowance scales with the size of the site.
Scales to zero
Limited — Serverless sleeps an idle service, but a slept service still holds a slot and is de-prioritised.
Adapter output is usually a function per route. Scaling to zero removes idle cost at the price of a cold start.
Sources (1) →Sources ↓
- App Sleeping — Railway Docs ↗
“The first request made to a slept service wakes it. [...] For Railway to put a service to sleep, a service must not send outbound traffic for at least 5 minutes. [...] Slept services still consume a slot on Railway's infrastructure, enabling Serverless de-prioritizes your workload”
Read 2026-09-13 · official docs
What Railway documents.
Railway publishes its own guide for deploying SvelteKit.
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte.
Sources (1) →Sources ↓
- Deploy a SvelteKit App | Railway Guides ↗
“SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte.”
Read 2026-09-05 · official docs
SvelteKit features on Railway
Capabilities Railway documents specifically for SvelteKit, with the constraint it documents alongside each.
node_adapter
Supported
Your app has been configured to use the SvelteKit Node adapter. [...] Svelte builds your project into a build directory. The server starts when the server entry point is executed, which is by default located at build/index.js
dockerfile_deploy
Supported
This guide covers how to deploy a SvelteKit app to Railway in four ways: One-click deploy from a template. From a GitHub repository. Using the CLI. Using a Dockerfile. [...] Railway automatically detects the Dockerfile, and uses it to build and deploy the app.
ISR / revalidation
Not supported
Frameworks that support ISR Next.js ( revalidate option in App Router or getStaticProps ) Nuxt ( routeRules with swr or isr options) [...] SvelteKit Yes Yes No Yes
Sources (2) →Sources ↓
- Deploy a SvelteKit App | Railway Guides ↗
“Your app has been configured to use the SvelteKit Node adapter. [...] Svelte builds your project into a build directory. The server starts when the server entry point is executed, which is by default located at build/index.js”
Read 2026-09-13 · official docs
- Choose Between SSR, SSG, and ISR for Your Frontend | Railway Guides ↗
“Frameworks that support ISR Next.js ( revalidate option in App Router or getStaticProps ) Nuxt ( routeRules with swr or isr options) [...] SvelteKit Yes Yes No Yes”
Read 2026-09-13 · official docs
What it costs to run there.
- Entry paid plan
- $5 / month (Hobby)
- Pricing model
- A base subscription fee that goes towards usage, with the plan's own credit included; anything beyond the credit is billed as resource usage.
- When you exceed a cap
- Billed automatically: on the Hobby plan ($5/month, includes $5 of resource usage) usage above the included amount is charged as a delta on top of the subscription — no throttling or suspension is documented
- Regions
- 4 regions: California, Virginia, Amsterdam, Singapore
Sources (3) →Sources ↓
- Plans — Railway Docs ↗
“Plan Price Free $0 / month Hobby $5 / month Pro $20 / month Enterprise Custom”
Read 2026-09-13 · official pricing
- Pricing Plans | Railway Docs ↗
“If your total resource usage exceeds $5 in any given billing period, you will be charged the delta”
Read 2026-09-05 · official docs
- Regions — Railway Docs ↗
“Name Location Region Identifier US West Metal California, USA us-west2 US East Metal Virginia, USA us-east4-eqdc4a EU West Metal Amsterdam, Netherlands europe-west4-drams3a Southeast Asia Metal Singapore asia-southeast1-eqsg3a”
Read 2026-09-13 · official docs
Whether it suits you.
Teams that want a plan fee which doubles as usage credit, and deploy services straight from a Dockerfile without managing servers. The $5 Hobby fee comes back as $5 of resource usage.
Consider something else if…
You need to run in a region outside California, Virginia, Amsterdam or Singapore.
Visit Railway documentation