---
title: "Deploy Carrier relay"
description: "A blind, end-to-end-encrypted relay for the Carrier private messenger."
category: "Other"
url: https://railway.com/deploy/carrier-relay
---

# Deploy Carrier relay

A blind, end-to-end-encrypted relay for the Carrier private messenger.

**[Deploy Carrier relay on Railway](https://railway.com/template/carrier-relay)**

- **Creator:** My Projects
- **Category:** Other
- **Total deploys:** 1

## Template content

### carrier-relay

- **Image:** ghcr.io/lukasthedude/carrier-relay@sha256:e1f1dea662b66061e860938f768c1ec37b8a057d484eee3a4a0fa1f7290b87d7
- **Public domain:** Yes

## Documentation

# Deploy and Host Carrier relay on Railway

Carrier relay is the blind store-and-forward server behind [Carrier](https://thecarrier.org), a private end-to-end encrypted messenger. The relay holds ciphertext for your contacts while their phones are offline and wakes them with content-free push. It never holds keys and cannot read anything.

## About Hosting Carrier relay

One small Node service from a digest-pinned public image, one volume at `/data` (undelivered mail, push subscriptions, the relay's own keys), one public TLS domain. Paste the claim code from the Carrier app into `CLAIM_TOKEN`, deploy, and go back to the app - it finds the new relay and makes your phone the admin automatically. Leave the other variables at their defaults. Runs comfortably in the smallest instance.

## Why Deploy Carrier relay?

Running your own relay means no third party is structurally in the middle of your conversations: the metadata a relay necessarily sees (who talks to whom, among its users) stays on your server instead of anyone else's. Messages remain end-to-end encrypted either way.

## Common Use Cases

- Your own private relay for family and friends, invited with a QR from inside the app
- Moving an existing Carrier account off the default relay (Settings -> Use your own relay)
- A self-sovereign fallback: federation lets people on other relays still reach your members

## Dependencies for Carrier relay Hosting

- The Carrier app (free, at thecarrier.org) on your phone - it mints the claim code and becomes the admin
- No database, no external services

### Deployment Dependencies

- [Carrier](https://thecarrier.org) - the messenger this relay serves
- [Self-hosting guide](https://thecarrier.org) - in-app: Settings -> Use your own relay


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Open this page in a browser: https://railway.com/deploy/carrier-relay