⛓️‍💥 HTM-1731: Upgrade PostGIS image to 18-3.6

Author: mprins

docker-compose.yml

@@ -58,14 +58,14 @@ services:
 
   db:
     container_name: ${COMPOSE_PROJECT_NAME}-db
-    image: postgis/postgis:17-3.5-alpine
+    image: postgis/postgis:18-3.6-alpine
     environment:
       POSTGRES_PASSWORD: ${TAILORMAP_DB_PASSWORD:-tailormap}
       POSTGRES_USER: tailormap
       POSTGRES_DB: tailormap
       PGUSER: postgres # for pg_isready
     volumes:
-      - db:/var/lib/postgresql/data
+      - db:/var/lib/postgresql
     healthcheck:
       test: 'pg_isready -U tailormap'
     restart: unless-stopped