fix(overrides): update PostgreSQL to v15 and improve v16 compatibility

overrides/compose.postgres.yaml

@@ -2,13 +2,29 @@ services:
   configurator:
     environment:
       DB_HOST: db
-      DB_PORT: 5432
+      DB_PORT: "5432"
+      DB_TYPE: postgres
+    command:
+      - >
+        ls -1 apps > sites/apps.txt;
+        bench set-config -g db_type postgres;
+        bench set-config -g db_host $$DB_HOST;
+        bench set-config -gp db_port $$DB_PORT;
+        bench set-config -g redis_cache "redis://$$REDIS_CACHE";
+        bench set-config -g redis_queue "redis://$$REDIS_QUEUE";
+        bench set-config -g redis_socketio "redis://$$REDIS_QUEUE";
+        bench set-config -gp socketio_port $$SOCKETIO_PORT;
+        bench set-config -g chromium_path /usr/bin/chromium-headless-shell;
     depends_on:
-      - db
+      db:
+        condition: service_healthy
 
   db:
-    image: postgres:13.5
+    image: postgres:15-alpine
-    command: []
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      retries: 5
     environment:
       POSTGRES_PASSWORD: ${DB_PASSWORD:?No db password set}
     volumes: