{
    "debug": false,
    "default_db": "test_server",
    "base_url": "http://localhost:5000",
    "implementation": {
        "name": "Example implementation",
        "source_url": "https://github.com/Materials-Consortia/optimade-python-tools",
        "issue_tracker": "https://github.com/Materials-Consortia/optimade-python-tools/issues",
        "maintainer": {"email": "dev@optimade.org"}
    },
    "provider": {
        "name": "Example provider",
        "description": "Provider used for examples, not to be assigned to a real database",
        "prefix": "exmpl",
        "homepage": "https://example.com"
    },
    "index_base_url": "http://localhost:5001",
    "provider_fields": {
        "structures": [
            "band_gap",
            {"name": "chemsys", "type": "string", "description": "A string representing the chemical system in an ordered fashion"}
        ]
    },
    "aliases": {
        "structures": {
            "id": "task_id",
            "immutable_id": "_id",
            "chemical_formula_descriptive": "pretty_formula",
            "chemical_formula_reduced": "pretty_formula",
            "chemical_formula_anonymous": "formula_anonymous"
        }
    },
    "length_aliases": {
        "structures": {
            "chemsys": "nelements"
        }
    }
}