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MongoDB

The Railway MongoDB database template allows you to provision and connect to a MongoDB database with zero configuration.

Deploy

Add a MongoDB database to your project via the ctrl / cmd + k menu or by clicking the + New button on the Project Canvas.

GIF of the Adding Database

You can also deploy it via the template from the template marketplace.

Deployed Service

Upon deployment, you will have a MongoDB service running in your project, deployed from the official mongo Docker image.

Custom Start Command

The MongoDB database service starts with the following Start Command to enable communication over Private Network: mongod --ipv6 --bind_ip ::,0.0.0.0 --setParameter diagnosticDataCollectionEnabled=false

Connect

Connect to MongoDB from another service in your project by referencing the environment variables made available in the Mongo service:

  • MONGOHOST
  • MONGOPORT
  • MONGOUSER
  • MONGOPASSWORD
  • MONGO_URL

Connecting Externally

It is possible to connect to MongoDB externally (from outside of the project in which it is deployed), by using the TCP Proxy which is enabled by default.

Keep in mind that you will be billed for Network Egress when using the TCP Proxy.

Modify the Deployment

Since the deployed container is pulled from the official MongoDB image in Docker Hub, you can modify the deployment based on the instructions in Docker Hub.

Backup and Monitoring

Especially for production environments, performing regular backups and monitoring the health of your database is essential. Consider adding:

  • Backups: Automate regular backups to ensure data recovery in case of failure. We suggest checking out our native Backups feature.

  • Observability: Implement monitoring for insights into performance and health of your database. Check out the tutorial which covers setting up observability on a Mongo replica set.

Additional Resources

While these templates are available for your convenience, they are considered unmanaged, meaning you have total control over their configuration and maintenance.

We strongly encourage you to refer to the source documentation to gain deeper understanding of their functionality and how to use them effectively. Here are some links to help you get started:

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