.env.example

# LLM API Keys
OPENAI_API_KEY=your_openai_api_key_here
GEMINI_API_KEY=your_gemini_api_key_here
MISTRAL_API_KEY=your_mistral_api_key_here
CLAUDE_API_KEY=your_claude_api_key_here

# Vertex AI Configuration (Phase 2)
VERTEX_AI_API_KEY=your_vertex_ai_api_key_here
VERTEX_AI_PROJECT_ID=your-project-id
VERTEX_AI_LOCATION=us-central1

# AWS Bedrock Configuration (Phase 2)
AWS_ACCESS_KEY_ID=AKIA...
AWS_SECRET_ACCESS_KEY=your_aws_secret_key_here
AWS_REGION=us-east-1

# Server Configuration
PORT=8080
LOG_LEVEL=info

# Mock Mode (Phase 5 - set to true for local development without real API keys)
MOCK_MODE=false

# Cache Configuration
CACHE_ENABLED=true
CACHE_TTL=300

# HTTP Client Configuration
HTTP_TIMEOUT=30
MAX_IDLE_CONNS=100
MAX_IDLE_CONNS_PER_HOST=20
IDLE_CONN_TIMEOUT=90

# Retry Configuration
MAX_RETRIES=3
INITIAL_BACKOFF=1000
MAX_BACKOFF=30000
BACKOFF_FACTOR=2.0
JITTER=0.1

# Job Configuration (Phase 3)
JOB_TTL_SECONDS=3600
MAX_JOB_WORKERS=10

# Circuit Breaker Configuration (Phase 3)
CIRCUIT_BREAKER_MAX_FAILURES=5
CIRCUIT_BREAKER_TIMEOUT_SECONDS=60

# SLO Configuration (Phase 4)
SLO_WINDOW_HOURS=24

# Cost Anomaly Detection (Phase 4)
COST_SPIKE_THRESHOLD=2.0

# Job Monitoring (Phase 4)
JOB_STUCK_THRESHOLD_MINUTES=5
JOB_FAILURE_RATE_WINDOW_HOURS=1
JOB_QUEUE_DEPTH_ALERT=100

# Observability (Phase 1, 4)
OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318
OTEL_SERVICE_NAME=llm-gateway