.env.example

# ─── Prexus Atmos — Environment Variables ────────────────────────────────────
# Copy to .env and fill in values.

# ── Data Engine (Python FastAPI) ──────────────────────────────────────────────
PORT=8000

# Optional Redis for caching. Leave blank to use in-memory cache.
REDIS_URL=

# TimescaleDB connection string (PostgreSQL + TimescaleDB + PostGIS)
# Format: postgresql://user:password@host:5432/atmos
DATABASE_URL=postgresql://atmos:atmos@localhost:5432/atmos

# How often the ingestion worker polls each location (seconds)
INGEST_INTERVAL_SEC=300

# WAQI (World Air Quality Index) — free key at https://aqicn.org/data-platform/token/
# Without this, AQI falls back to Open-Meteo model (still real data, no station data)
WAQI_TOKEN=

# NASA FIRMS — free key at https://firms.modaps.eosdis.nasa.gov/api/
# Without this, fire detections return empty with a note.
NASA_FIRMS_KEY=

# ── Go API Gateway ────────────────────────────────────────────────────────────
# URL of the Python data engine (as seen by the Go gateway)
DATA_ENGINE_URL=http://localhost:8000

PORT=8080

GIN_MODE=debug   # set to "release" in production

# ── Frontend ─────────────────────────────────────────────────────────────────
# Set in your HTML or served config:
# window.ATMOS_API = 'https://your-gateway.com/api/v1'