.env.example

# ──────────────────────────────────────────────
# RAG Document Q&A System — Environment Variables
# ──────────────────────────────────────────────

# Embedding model (HuggingFace model identifier)
EMBEDDING_MODEL=sentence-transformers/all-MiniLM-L6-v2

# LLM model name served via Ollama
LLM_MODEL_NAME=mistral

# Available LLM models (comma-separated)
AVAILABLE_MODELS=mistral,llama3,gemma

# FAISS vector store directory
VECTOR_DB_DIR=vector_db

# Uploaded documents directory
UPLOAD_DIR=data/uploaded_docs

# Chunking parameters
CHUNK_SIZE=500
CHUNK_OVERLAP=50

# Retrieval parameters
TOP_K_RESULTS=4

# Generation parameters
MAX_NEW_TOKENS=512
TEMPERATURE=0.2

# API Authentication Key
RAG_API_KEY=rag-secret-key-2024

# API base URL (FastAPI backend)
API_BASE_URL=http://localhost:8000