Deploy Coder to railway.app

• Deploy a test environment
• Use their managed PostgresDB service
• Create a docker-remote template to provision workspaces on the remote host.

  This will be done independently from this issue. Check how to use remote Docker host #6921

• Use Fly.io template to test the workspace
  • Web Terminal
  • VS Code Desktop
  • SSH
  • Port Forwarding
  • Wildcard subdomain
• Publish template source code at https://github.com/coder/packages
• Publish as a template on https://railway.app/templates
  
• Add Deploy to Railway button to https://github.com/coder/packages
• Write a blog post on https://github.com/coder/blogs Add coder-on-railway blog post blogs#11