# Copy this file to .env and fill in what you have. Everything has a safe
# default / degrades gracefully if left blank.

# Port nginx will listen on (http://localhost:HTTP_PORT)
HTTP_PORT=8080

# --- Weather overlay (OpenWeatherMap tile layer) ---
# Free key: https://home.openweathermap.org/users/sign_up
# Without a key the weather overlay toggle stays disabled in the UI.
OWM_API_KEY=

# --- Conflict / "military movement" overlay ---
# Backed by ACLED (Armed Conflict Location & Event Data), the closest thing
# to an open, structured, public feed of reported military/conflict events.
# Free academic/non-commercial access: https://acleddata.com/register/
# Without these the overlay stays empty (endpoint returns [] and the UI hides it).
ACLED_API_KEY=
ACLED_EMAIL=

# --- Flights overlay (OpenSky Network) ---
# Works anonymously out of the box (400 credits/day, hence the conservative
# default poll interval below). Free registration raises that to 4000/day:
# https://opensky-network.org/index.php?option=com_users&view=registration
OPENSKY_USERNAME=
OPENSKY_PASSWORD=
FLIGHTS_POLL_SECONDS=300

# --- Polling intervals (minutes) ---
RSS_POLL_MINUTES=10
MARKET_POLL_MINUTES=15
CONFLICT_POLL_MINUTES=60
POLYMARKET_POLL_MINUTES=15

# How long an article stays "live" on the globe before aging out of clusters
ARTICLE_WINDOW_HOURS=72

# Minimum |% change| between two consecutive polls of an index/oil price
# before it's even eligible to be a "spike" (see /api/markets/spikes) —
# an absolute floor, applies regardless of the instrument's own volatility
MARKET_SPIKE_THRESHOLD_PCT=1.5
# Above that floor, a move must also be at least this many times the
# instrument's own recent typical move to count — i.e. "higher than the
# historical norm for THIS instrument," not just an absolute percentage
MARKET_SPIKE_VOLATILITY_MULTIPLIER=2.5
# Lookback window (days) for computing that "recent typical move" baseline
MARKET_SPIKE_HISTORY_DAYS=7
# Minimum historical observations required before the volatility check
# applies; below this (e.g. a freshly deployed instance) only the floor above applies
MARKET_SPIKE_MIN_SAMPLES=8
# How many hours before a spike's previous poll to search for candidate
# articles that might explain it
MARKET_SPIKE_LOOKBACK_HOURS=6

# SQLite DB location inside the backend container (mapped to ./data on host)
DATABASE_PATH=/data/newsatlas.db