# Author: Simon-Pierre Boucher
# Mail: contact@spboucher.ai
# Stablecoin explorer stack.
#
#   cp .env.example .env   # then: docker compose up -d
#
# Storage today is SQLite on the shared `data` volume (indexer writes, API
# reads — WAL mode makes that safe). The postgres service is provisioned now
# so Deliverable 5 (PostgreSQL schema + migrations) is a config switch, not
# an infra change.

services:
  postgres:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-explorer}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-explorer}
      POSTGRES_DB: ${POSTGRES_DB:-explorer}
    volumes:
      - pgdata:/var/lib/postgresql/data
    ports:
      - "127.0.0.1:${POSTGRES_PORT:-5433}:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-explorer}"]
      interval: 10s
      timeout: 5s
      retries: 5

  indexer:
    build: .
    command: python run_indexer.py
    environment:
      EXPLORER_DB: /data/explorer.db
      EXPLORER_CHAINS: ${EXPLORER_CHAINS:-}
      EXPLORER_BACKFILL_DAYS: ${EXPLORER_BACKFILL_DAYS:-0}
      # set DATABASE_URL to use postgres instead of the SQLite volume
      DATABASE_URL: ${DATABASE_URL:-}
    volumes:
      - data:/data
    depends_on:
      postgres:
        condition: service_healthy
    restart: unless-stopped

  api:
    build: .
    command: uvicorn api.main:app --host 0.0.0.0 --port 8080
    environment:
      EXPLORER_DB: /data/explorer.db
      DATABASE_URL: ${DATABASE_URL:-}
    volumes:
      - data:/data
    ports:
      - "${API_PORT:-8080}:8080"
    depends_on:
      - indexer
    restart: unless-stopped

volumes:
  data:
  pgdata: