Deploy and Host DocumentDB on Railway

DocumentDB is a powerful, scalable, MongoDB-compatible open-source document database built on PostgreSQL.

You can connect just like you would with MongoDB:

from pymongo import MongoClient, AsyncMongoClient

mongo_client: MongoClient = MongoClient(MONGO_URL)

Set the environment variable:

MONGO_URL=${{documentdb.PRIVATE_URL}}

If you prefer, you can also use:

MONGO_URL=${{documentdb.URL}}

⚠️ Note: Using the public URL incurs egress costs. The PRIVATE_URL avoids this when used inside Railway’s network.

About Hosting DocumentDB

Deploying DocumentDB on Railway involves:

• Creating a service (DocumentDB instance)
• Attaching a volume for persistent storage

This setup ensures your data remains safe and accessible across deployments.

Connect via MongoDB Compass or Mongosh

You can connect directly using the URL environment variable:

1. Copy the value of ${{documentdb.URL}}.
2. Paste it into MongoDB Compass or Mongosh connection input.

That’s it—you’ll be connected to your DocumentDB instance.