first commit

sql/init.sql

@@ -0,0 +1,10 @@
+CREATE EXTENSION IF NOT EXISTS postgis;
+
+CREATE TABLE IF NOT EXISTS buildings (
+    id BIGSERIAL PRIMARY KEY,
+    osm_id BIGINT,
+    height_m REAL NOT NULL DEFAULT 10,
+    geom GEOMETRY(Polygon, 4326) NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS buildings_geom_gist ON buildings USING GIST (geom);