.env.example

# Application Configuration
APP_NAME=contact-center-agentic-flow
APP_VERSION=1.0.0
ENVIRONMENT=development
DEBUG=true
LOG_LEVEL=INFO

# API Configuration
API_HOST=0.0.0.0
API_PORT=8000
API_PREFIX=/api/v1
CORS_ORIGINS=["http://localhost:3000", "http://localhost:8080"]

# Security
SECRET_KEY=your-super-secret-key-change-this-in-production
ACCESS_TOKEN_EXPIRE_MINUTES=30
ALGORITHM=HS256

# Database Configuration
DATABASE_URL=postgresql://username:password@localhost:5432/contact_center_db
DATABASE_POOL_SIZE=10
DATABASE_MAX_OVERFLOW=20

# Redis Configuration
REDIS_URL=redis://localhost:6379/0
REDIS_MAX_connections=10

# Google Cloud / Vertex AI Configuration
GOOGLE_CLOUD_PROJECT=your-project-id
GOOGLE_CLOUD_REGION=us-central1
GOOGLE_APPLICATION_CREDENTIALS=path/to/service-account.json

# Vertex AI Models
GEMINI_PRO_MODEL=gemini-pro
CLAUDE_3_MODEL=claude-3-sonnet-20240229
CUSTOM_MODEL_ENDPOINT=your-custom-model-endpoint

# External APIs
TWILIO_ACCOUNT_SID=your-twilio-account-sid
TWILIO_AUTH_TOKEN=your-twilio-auth-token
SENDGRID_API_KEY=your-sendgrid-api-key

# Monitoring & Observability
PROMETHEUS_PORT=9090
JAEGER_ENDPOINT=http://localhost:14268/api/traces
CLOUD_MONITORING_ENABLED=true

# Feature Flags
ENABLE_VOICE_CHANNEL=true
ENABLE_EMAIL_CHANNEL=true
ENABLE_CHAT_CHANNEL=true
ENABLE_SOCIAL_MEDIA_CHANNEL=false

# Performance Tuning
MAX_CONCURRENT_CONVERSATIONS=1000
AGENT_TIMEOUT_SECONDS=30
TOOL_TIMEOUT_SECONDS=10
CACHE_TTL_SECONDS=3600