Add env vars that conditionally reduce the geo size

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.10-slim-buster
+FROM python:3.10-slim-bookworm
 
 COPY --from=ghcr.io/astral-sh/uv:0.5.29 /uv /uvx /bin/
 

config.py

@@ -11,6 +11,9 @@ class Settings(BaseSettings):
     GAUL_FILE_PATH: str = "./geodata-prep/geodata/gaul.gpkg"
     GAUL_DOWNLOAD_URL: str = "https://github.com/IFRCGo/geocoding-service/releases/download/v1.0.0/gaul.gpkg"
 
+    TOLERANCE: float = 0.1
+    GEO_SIMPLIFY: bool = True
+
 
 settings = Settings()
 

docker-compose.yml

@@ -11,4 +11,7 @@ services:
     environment:
       WAB_FILE_PATH: /geodata/simple.wab.fgb
       GAUL_FILE_PATH: /geodata/simple.gaul.gpkg
+      TOLERANCE: 0.1
+      GEO_SIMPLIFY: True
+
     command: /bin/sh -c "uvicorn service:app --host 0.0.0.0 --port 8001 --reload --workers 1"

geocoding.py

@@ -6,6 +6,8 @@
 from shapely.geometry.base import BaseGeometry
 from shapely.ops import unary_union
 
+from config import settings
+
 WAB_LAYER = "Layer1"
 
 
@@ -51,7 +53,10 @@ def _init_adm_mapping(self):
                 properties = feature["properties"]
                 geometry = feature["geometry"]
                 adm1 = properties["ADM1_CODE"]
-                self._adm1_to_geometry_mapping[adm1] = shape(geometry)
+                geom = shape(geometry)
+                if settings.GEO_SIMPLIFY:
+                    geom = geom.simplify(tolerance=settings.TOLERANCE, preserve_topology=True)
+                self._adm1_to_geometry_mapping[adm1] = geom
 
     def get_iso3_from_geometry(self, lng: float, lat: float) -> Country | None:
         point = Point(lng, lat)
@@ -76,6 +81,8 @@ def get_geometry_from_country_name(self, country_name: str) -> AdminGeometry | N
             for feature in src:
                 if feature["properties"]["name"].lower().strip() == country_name:
                     geom = shape(feature["geometry"])
+                    if settings.GEO_SIMPLIFY:
+                        geom = geom.simplify(tolerance=settings.TOLERANCE, preserve_topology=True)
                     val = AdminGeometry(
                         geometry=mapping(geom),
                         bbox=geom.bounds,
@@ -125,6 +132,8 @@ def get_geometry_from_iso3(self, iso3: str) -> AdminGeometry | None:
                     continue
                 if iso3_from_feature.lower().strip() == iso3:
                     geom = shape(geometry)
+                    if settings.GEO_SIMPLIFY:
+                        geom = geom.simplify(tolerance=settings.TOLERANCE, preserve_topology=True)
                     val = AdminGeometry(
                         geometry=mapping(geom),
                         bbox=geom.bounds,