---
title: "Deploy JanusGraph GraphDB"
description: "JanusGraph: an open-source, distributed graph database"
category: "Storage"
url: https://railway.com/deploy/janusgraph-graphdb
---

# Deploy JanusGraph GraphDB

JanusGraph: an open-source, distributed graph database

**[Deploy JanusGraph GraphDB on Railway](https://railway.com/template/janusgraph-graphdb)**

- **Creator:** Şükrü
- **Category:** Storage
- **Total deploys:** 5

## Template content

### visualizer

- **Image:** janusgraph/janusgraph-visualizer:1.0.4
- **Public domain:** Yes

### elasticsearch https://cdn.worldvectorlogo.com/logos/elasticsearch.svg

- **Source:** railwayapp-templates/elasticsearch

### janusgraph https://docs.janusgraph.org/janusgraph-logomark.svg

- **Image:** janusgraph/janusgraph:latest

### cassandra https://cdn.jsdelivr.net/gh/devicons/devicon@latest/icons/cassandra/cassandra-original.svg

- **Image:** cassandra:latest

## Documentation

# 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

- [JanusGraph Official Documentation](https://docs.janusgraph.org/)
- [Apache TinkerPop Gremlin Project](https://tinkerpop.apache.org/)

### 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](https://docs.janusgraph.org/).

## 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.

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