PlaceOS Models
The database models for PlaceOS in crystal.
PlaceOS is a distributed application, with many concurrent event sources that require persistence. We use RethinkDB to unify our database and event bus, giving us a consistent interface to state and events across the system.
Configuration
Environment
| Key | Description | Default |
| ------------------------- | ---------------------------------------------- | ----------- |
| PLACE_MAX_VERSIONS | Number of versions to keep of versioned models | 20 |
| PG_HOST | Postgresql host | "localhost" |
| PG_PORT | Postgresql port | 5432 |
| PG_DB | Database name or PG_DATABASE | "test" |
| PG_USER | Database user | "postgres" |
| PG_PASSWORD | Database password | "" |
| PG_QUERY | Query string, that can be used to configure pooling | "" |
| PG_LOCK_TIMEOUT | Timeout on retrying Advisory lock in seconds | 5 |
| PG_DATABASE_URL | Or provide a Database DSN | |
Testing
# prune docker images if you have new migrations that need to run
# since the last time migrations image was built
docker system prune --all
# builds migrations and runs tests in a containerised env
./test
Contributing
See CONTRIBUTING.md.