- Add FLARESOLVERR_LOG_LEVEL and FLARESOLVERR_PROXY to .env.example
- Change default port to 3300 in dev.env
- Make compose-dev.yml use ADDR env var for host port
- Enable FLARESOLVERR_PROXY by default in dev.env for testing
- .env.example documents all env vars with defaults (postgres creds, DATABASE_URL, TTLs, pool sizes)
- compose.yml reads postgres credentials and app config from .env via env_file
- .gitignore: track .env.example, ignore .env