# Application local development environment.
#
# Usage:
#   cp .env.example .env
#   docker compose -f docker-compose.yml up -d
#
# All values below are non-secret local-development defaults matching
# docker-compose.yml. Do not commit .env.

# Application
APP_ENV=local
APP_READINESS_CHECK_TIMEOUT_SECONDS=2.0

# Logging
LOG_LEVEL=INFO
LOG_JSON_FORMAT=false

# Postgres (application database, separate from Langfuse's Postgres)
# Use 127.0.0.1 rather than localhost: some environments resolve localhost to
# the IPv6 loopback first, and Docker only publishes these ports on IPv4.
POSTGRES_HOST=127.0.0.1
POSTGRES_PORT=5433
POSTGRES_USER=chatbot
POSTGRES_PASSWORD=chatbot
POSTGRES_DB=chatbot

# MinIO (application bucket, separate from Langfuse's MinIO)
MINIO_ENDPOINT=127.0.0.1:9100
MINIO_ACCESS_KEY=chatbot
MINIO_SECRET_KEY=chatbot-secret
MINIO_SECURE=false
MINIO_BUCKET=chatbot-source-files

# Inline ingestion bounds (ADR-0017; no broker, no queue).
# INGESTION_TIMEOUT_SECONDS must stay below any proxy/client read timeout.
INGESTION_MAX_CONCURRENCY=4
INGESTION_THREAD_POOL_SIZE=8
INGESTION_TIMEOUT_SECONDS=120.0
INGESTION_MAX_UPLOAD_SIZE_MB=25
INGESTION_MAX_CHUNKS_PER_FILE=5000
INGESTION_EMBED_BATCH_SIZE=128
INGESTION_EMBED_CONCURRENCY=4

# Qdrant
QDRANT_URL=http://127.0.0.1:6343
QDRANT_API_KEY=

# Parsing and chunking (ADR-0018).
# max_chunk_tokens is nomic-embed-text-v2-moe's sequence length; text past it
# is silently truncated by the model, so the cap is enforced before embedding.
# chunk_size sits under it to leave room for the `search_document: ` prefix.
CHUNKING_STRATEGY=fixed_size
CHUNKING_CHUNK_SIZE=400
CHUNKING_CHUNK_OVERLAP=60
CHUNKING_MAX_CHUNK_TOKENS=512
CHUNKING_ENCODING_NAME=cl100k_base

# tiktoken downloads its vocabulary on first use; point this at a
# pre-populated directory for offline/air-gapped deployments.
# TIKTOKEN_CACHE_DIR=