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Deploy Coder on Railway.app

author avatar
Muhammad Atif Ali
 on April 6th, 2023
Updated on July 7th, 2023

Railway is a simple and powerful deployment platform that focuses on giving you and your team a deployment plane that radically increases developer efficiency. It is an Heroku alternative that focus on support and developer experience. A highly engaged community and Resource-based pricing, only pay for what you use. Railway has a range of templates to deploy your apps. It also has a free tier that you can use to deploy your apps for free. We have built and published a template for Coder on Railway.app. Coder can be deployed on Railway.app in just a few clicks. This guide will walk you through the process of deploying Coder on Railway.app.

Quickstart

Start your deployment by clicking the button below. This will take you to Railway.app where you can sign up for a free account and deploy Coder.

Deploy on Railway

1. Fill the environment variables

CODER_WILDCARD_ACCESS_URL is an optional environment variable. Set this to a wildcard subdomain that resolves to Coder (e.g. *.coder.example.com). This is optional, but will enable web-based port forwarding. For example, a service running on port 8080 in your workspace can be accessed by visiting 8080--app-name-workspace-name-.coder.example.com in your browser. See our docs for details.

Note: For port-forwarding to work, you have to use a custom domain with Railway and cannot use Railway's built-in domain for this wildcard.

Note: You can configure Coder by setting more environment variables. Go to Dashboard > Coder (Service) > Settings > Environment Variables.

2. Attach a custom domain

Your Coder deployment will always be accessible at https://<app-name>.up.railway.app. If you want to use a custom domain, you can do so by going to Dashboard > Coder (Service) > Settings > Domains and adding your domain. Don't forget to attach your wildcard subdomain if you specified CODER_WILDCARD_ACCESS_URL in the previous step.

3. Create your first user

Create your first user by going to https://<app-name>.up.railway.app or your custom domain.

Coder Setup

4. Create your first template

Templates are written in Terraform and describe the infrastructure for workspaces. Coder provides a set of starter templates to help you get started.

Choose a template to set up your first workspace. You can also create your own templates to define your custom infrastructure with your preferred cloud provider.

Coder Starter Templates

5. Create your first workspace

Workspaces contain the IDEs, dependencies, and configuration information needed for software development. You can create workspaces from templates. Here we are showing the workspace created from the Fly.io starter template in action.

fly.io workspace

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