How do I deploy JanusGraph GraphDB on Railway?

You can deploy JanusGraph GraphDB on Railway by clicking the "Deploy Now" button on this page. Railway will automatically set up all the necessary services and configurations for you.

What are the system requirements?

Railway handles all the infrastructure requirements. You only need a web browser to deploy and manage your application.

Is this template free to use?

Yes, this template is free to use within your existing Railway account.

Can I customize this template?

Yes, you can fully customize this template. After deployment, you will have full control of what you've deployed in your Railway project.

How do I get support for this template?

You can get support through our community forum: janus-graph-graph-db-2672e82f, or join our Discord community for more assistance.

Deploy and Host JanusGraph GraphDB on Railway

JanusGraph is a powerful, distributed, open-source graph database designed for storing and querying massive graphs with billions of vertices and edges. It requires external storage and indexing backends, offering horizontal scalability for complex data modeling and leveraging the industry-standard Apache TinkerPop Gremlin graph traversal language.

About Hosting JanusGraph GraphDB

This template deploys JanusGraph using a robust three-tier architecture: the JanusGraph server, Cassandra for highly scalable storage persistence, and Elasticsearch for comprehensive indexing and search capabilities. All services are securely linked using Railway's private network domains. The configuration utilizes the cassandra-es properties template with tuned cache settings. An included JanusGraph Visualizer service provides a graphical interface, pre-configured to connect to the main graph instance for immediate interaction and testing.

Common Use Cases

Social Network Analysis: Mapping complex relationships, connections, and flows between users and content.
Knowledge Graphs: Modeling vast, interconnected domain knowledge for advanced reasoning and semantic search.
Fraud Detection and Prevention: Identifying subtle, non-obvious patterns and circular dependencies in transactional data.

Dependencies for JanusGraph GraphDB Hosting

Cassandra (Primary Storage Backend).
Elasticsearch (Indexing and Search Backend).
JanusGraph Visualizer (UI/Interaction Layer).

Deployment Dependencies

Implementation Details

This template sets up four distinct services: JanusGraph, Cassandra, Elasticsearch, and the Visualizer. The internal service connections are pre-configured using Railway's private domains:

Storage Connection: janusgraph.storage.hostname is linked to ${{cassandra.RAILWAY_PRIVATE_DOMAIN}}.
Indexing Connection: janusgraph.index.search.hostname is linked to ${{elasticsearch.RAILWAY_PRIVATE_DOMAIN}}.
Visualizer Connection: GREMLIN_HOST is linked to ${{janusgraph.RAILWAY_PRIVATE_DOMAIN}}.

The JanusGraph service is configured using the cassandra-es properties template (JANUS_PROPS_TEMPLATE="cassandra-es") and includes specific cache settings for optimized performance. For full details on all configuration options, consult the official JanusGraph Documentation.

Why Deploy JanusGraph GraphDB on Railway?

Railway is a singular platform to deploy your infrastructure stack. Railway will host your infrastructure so you don't have to deal with configuration, while allowing you to vertically and horizontally scale it.

By deploying JanusGraph GraphDB on Railway, you are one step closer to supporting a complete full-stack application with minimal burden. Host your servers, databases, AI agents, and more on Railway.