llm-gateway/llm-gateway/.env.example
root 8348520bdf feat: implement LLM Gateway with multi-provider support
Implement a unified LLM Gateway supporting multiple API formats and providers:

Features:
- OpenAI Chat Completions, Responses API, and Anthropic Messages API
- Provider adapters for OpenAI, Anthropic, Azure OpenAI, Google Gemini, AWS Bedrock
- Model aliasing with weighted round-robin load balancing
- Virtual API keys with RPM/TPM rate limiting
- Budget control at key and project levels
- Request logging, usage statistics, and audit logs
- Fallback/retry with circuit breaker pattern
- Admin CRUD APIs for providers, projects, keys, models, usage
- Provider health checks

Tech stack:
- FastAPI with async SQLAlchemy 2.0
- SQLite with aiosqlite
- bcrypt for API key hashing, AES-256 for provider key encryption
- Docker containerization

Tests: 18 passing integration tests for admin API endpoints

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-01 15:39:21 +08:00

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# Application
APP_NAME=LLM Gateway
DEBUG=false
LOG_LEVEL=INFO
# Server
HOST=0.0.0.0
PORT=8000
# Database
DATABASE_URL=sqlite:///data/gateway.db
# Security
# Generate with: python -c "import secrets; print(secrets.token_hex(32))"
MASTER_KEY=your-master-key-here-at-least-32-characters
# Rate Limiting
RATE_LIMIT_WINDOW_SECONDS=60
# GLOBAL_RPM_LIMIT=1000
# GLOBAL_TPM_LIMIT=1000000
# Retry
MAX_RETRIES=3
RETRY_INITIAL_DELAY=1.0
RETRY_MAX_DELAY=30.0
# Health Check
HEALTH_CHECK_INTERVAL=30
HEALTH_CHECK_TIMEOUT=10