Deploy and Host MongoDB on Railway

MongoDB is a popular open-source NoSQL document database that provides flexible and scalable data storage. This template deploys the official MongoDB Docker image with a persistent volume and authentication enabled.

Common Use Cases

Primary database for web applications, APIs, and backend services
Data storage for AI agents, automation tools, and self-hosted solutions
Development and staging environments
Real-time applications, CMS, e-commerce, and analytics platforms

Comparison

Feature	This Template	MongoDB Atlas	Self-managed VPS
Ease of Deployment	✅ 1-Click	⚠️ Medium	❌ Complex
Cost (Small Usage)	✅ Very Affordable	❌ Higher	⚠️ Variable
Data Persistence	✅ Built-in Volume	✅ Managed	❌ Manual
Private Networking	✅ Excellent	✅ Good	❌ Manual
Control & Flexibility	✅ Full	⚠️ Limited	✅ Full
Maintenance Overhead	✅ Low	✅ None	❌ High

Dependencies

None — This template is completely standalone.

Implementation Details

Start Command:

docker-entrypoint.sh mongod --ipv6 --bind_ip ::,0.0.0.0 --setParameter diagnosticDataCollectionEnabled=false

How to Connect After Deployment

Note: TCP Proxy is enabled by default after successful deployment.

Recommended Environment Variables

MONGO_INITDB_ROOT_PASSWORD="${{secret(32)}}"
MONGO_INITDB_ROOT_USERNAME="mongo"

# Public Connection (via TCP Proxy)
MONGO_PUBLIC_URL="mongodb://${{MONGO_INITDB_ROOT_USERNAME}}:${{MONGO_INITDB_ROOT_PASSWORD}}@${{RAILWAY_TCP_PROXY_DOMAIN}}:${{RAILWAY_TCP_PROXY_PORT}}"

# Alternative URLs
MONGO_URL="mongodb://${{MONGO_INITDB_ROOT_USERNAME}}:${{MONGO_INITDB_ROOT_PASSWORD}}@${{RAILWAY_PRIVATE_DOMAIN}}:27017"

MONGOHOST="${{RAILWAY_PRIVATE_DOMAIN}}"
MONGOPORT="27017"
MONGOUSER="${{MONGO_INITDB_ROOT_USERNAME}}"
MONGOPASSWORD="${{MONGO_INITDB_ROOT_PASSWORD}}"

Available Connection Methods

Database Tab (Built-in GUI)
- Go to your MongoDB service → Database tab
- Simple visual interface to browse collections, run queries, and manage data (as shown in your screenshot).
Console Tab
- Run MongoDB shell commands directly in the browser.
Railway CLI (Secure Local Access)
```
railway connect MongoDB
```
Opens an encrypted tunnel without exposing the database publicly.
External Tools (DBeaver, MongoDB Compass, etc.)
- Use MONGO_PUBLIC_URL
- Or manually:
  - Host: ${{RAILWAY_TCP_PROXY_DOMAIN}}
  - Port: ${{RAILWAY_TCP_PROXY_PORT}}
  - Username: mongo
  - Password: ${{MONGO_INITDB_ROOT_PASSWORD}}
  - Authentication Database: admin
Private Network (Internal Services)
Use the private URL inside the same Railway project.

Why Deploy MongoDB on Railway?

Railway offers a simple, reliable, and scalable way to run a fully managed MongoDB instance with persistence and multiple easy connection options.