Add deployment option: Railway

Author: tk-o

docs/ensnode.io/src/content/docs/docs/self-host/docker.mdx

@@ -1,8 +1,5 @@
 ---
 title: Deploying ENSNode with Docker
-sidebar:
-  label: Docker
-  order: 1
 ---
 
 import { LinkCard } from "@astrojs/starlight/components";

docs/ensnode.io/src/content/docs/docs/self-host/index.mdx

@@ -40,4 +40,6 @@ Self-hosting today means standing up a fresh ENSNode instance from zero and wait
 
 <LinkCard title="Deploy with Docker" description="The Docker deployment option provides the easiest way to run the full ENSNode suite of services both locally and in the cloud." href="/docs/self-host/docker" />
 
+<LinkCard title="Deploy to Railway" description="A guide for deploying the ENSNode Alpha instance on Railway using the Railway Templates approach." href="/docs/self-host/railway" />
+
 <LinkCard title="Deploy with Terraform" description="An example Terraform deployment reference is available, showing an example of deploying the full ENSNode suite on Render with AWS managed domain names." href="/docs/self-host/terraform" />

docs/ensnode.io/src/content/docs/docs/self-host/railway.mdx

@@ -0,0 +1,13 @@
+---
+title: Deploying ENSNode to Railway
+---
+
+import { LinkCard } from "@astrojs/starlight/components";
+
+This guide provides an example of deploying the full ENSNode Alpha instance suite to [Railway](https://railway.app/), a popular cloud hosting provider. It uses the [Railway Templates](https://docs.railway.app/templates) approach, which allows you to apply a pre-configured infrastructure template to your Railway project with a single click.
+
+<LinkCard
+  title="Deploy your own ENSNode Alpha instance with Railway"
+  description="Browse the full Railway Template definition including service definitions and configuration."
+  href="https://railway.com/deploy/ensnode-alpha"
+/>

docs/ensnode.io/src/content/docs/docs/self-host/scalability.mdx

@@ -1,9 +1,6 @@
 ---
 title: ENSNode Scalability
 description: Understand how ENSNode's architecture enables horizontal scaling.
-sidebar:
-  label: Scalability
-  order: 3
 ---
 
 import { LinkCard } from "@astrojs/starlight/components";

docs/ensnode.io/src/content/docs/docs/self-host/terraform.mdx

@@ -1,8 +1,5 @@
 ---
 title: Deploying ENSNode with Terraform
-sidebar:
-  label: Terraform
-  order: 2
 ---
 
 import { LinkCard } from "@astrojs/starlight/components";