[+] improve compose

deps/test-task-2025-06-30-v1/Makefile

@@ -36,5 +36,8 @@ pyright:
 		-v $(ENV_PATH)
 
 
+compose_env:
+	cat docker/postgresql/.env .env/postgresql.env > .env/postgresql.patched.env
+
 compose_build_web:
 	$(COMPOSE) build web

deps/test-task-2025-06-30-v1/docker-compose.yml

@@ -28,13 +28,15 @@ services:
     # restart: always
     # set shared memory limit when using docker compose
     shm_size: 128mb
+    volumes:
+      - postgresql_data:/var/lib/postgresql/data/:rw
     # or set shared memory limit when deploy via swarm stack
     #volumes:
     #  - type: tmpfs
     #    target: /dev/shm
     #    tmpfs:
     #      size: 134217728 # 128*2^20 bytes = 128Mb
-    env_file: .env/postgresql.env
+    env_file: .env/postgresql.patched.env
     # environment:
     #   POSTGRES_PASSWORD: example
     logging:
@@ -47,3 +49,7 @@ services:
         limits:
           cpus: '0.5'
           memory: 128M
+
+
+volumes:
+  postgresql_data:

deps/test-task-2025-06-30-v1/docker/postgresql/.env

@@ -0,0 +1,3 @@
+PGDATA=/var/lib/postgresql/data/pgdata
+POSTGRES_USER=tickers
+POSTGRES_DB=tickers