[backend] stabilise codebase

server/compose.yaml

@@ -1,5 +1,19 @@
 
 services:
+  postgres:
+    image: postgis/postgis:16-3.4
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: points_of_interest
+      POSTGRES_USER: symfony
+      POSTGRES_PASSWORD: symfony
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U symfony -d points_of_interest"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
 ###> symfony/mercure-bundle ###
   mercure:
     image: dunglas/mercure
@@ -24,6 +38,7 @@ services:
 ###< symfony/mercure-bundle ###
 
 volumes:
+  postgres_data:
 ###> symfony/mercure-bundle ###
   mercure_data:
   mercure_config: