Find first 10 points within a given radius of a lon/lat ordered by closest to furthest (Elasticsearch v7+)

within_circle.rb

def within_circle(lon:, lat:, distance:, unit:, direction: "asc")
    {
        query: {
            bool: {
                must: {
                    match_all: {}
                },
                filter: [
                    {
                        geo_distance: {
                            distance: [distance, unit].join(""),
                            coordinates: {
                                lon: lon,
                                lat: lat
                            },
                        }
                    }
                ]
            }
            },
            sort: [
            {
                _geo_distance: {
                    coordinates: {
                        lon: lon,
                        lat: lat
                    },
                    order: direction,
                    unit: unit
                }
            }
        ]
    }
end