Deploy and Host Latitude on Railway

Latitude is an open-source prompt engineering platform that provides complete lifecycle management for AI applications. It enables teams to collaboratively design, test, deploy, and evaluate prompts with advanced versioning, monitoring, and deployment capabilities.

About Hosting Latitude

Hosting Latitude provides a comprehensive platform for AI prompt engineering that spans the entire development lifecycle from creation to production monitoring. Built for cross-functional teams, it offers collaborative prompt development with PromptL language support, interactive testing playgrounds, API deployment capabilities, and systematic evaluation tools. The self-hosted version gives you complete control over your AI development process while maintaining data privacy and security. With features like automatic logging, batch evaluations, dataset management, and seamless integrations, Latitude transforms how teams build and maintain reliable AI applications.

Common Use Cases

• Enterprise AI Development: Centralize prompt engineering workflows for teams building AI-powered applications with version control, collaboration, and deployment management
• AI Application Testing: Create systematic evaluation pipelines for AI models using LLM-as-judge, programmatic rules, and human review processes before production deployment
• Prompt API Management: Deploy and maintain prompt-based APIs with automatic updates, monitoring, and performance tracking for production AI services
• Cross-functional AI Collaboration: Enable developers, product managers, and domain experts to collaborate on AI prompt development through shared workspaces and evaluation frameworks

Dependencies for Latitude Hosting

• PostgreSQL: Primary database for storing prompts, evaluations, logs, and user data
• Redis: Caching and session management for improved performance

Deployment Dependencies

• Latitude Documentation
• Self-Hosting Guide
• PromptL Language Documentation
• Latitude GitHub Repository

Implementation Details

Key environment variables for deployment:

# Database Configuration
DATABASE_URL=postgresql://user:password@host:port/database
REDIS_URL=redis://host:port

# Application Configuration
NEXTAUTH_SECRET=your-nextauth-secret
NEXTAUTH_URL=https://your-domain.com

# AI Provider Configuration
OPENAI_API_KEY=your-openai-key
ANTHROPIC_API_KEY=your-anthropic-key

# Email Configuration (Optional)
[email protected]
SMTP_HOST=your-smtp-host
SMTP_PORT=587
SMTP_USER=your-smtp-user
SMTP_PASSWORD=your-smtp-password

# Security
ENCRYPTION_KEY=your-encryption-key
JWT_SECRET=your-jwt-secret

Basic workflow after deployment:

1. Create prompts using the PromptL editor
2. Test prompts in the interactive playground
3. Run batch evaluations on datasets
4. Deploy prompts as API endpoints
5. Monitor performance through logs and evaluations

Why Deploy Latitude 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 Latitude 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.