[+] add postgresql

deps/test-task-2025-06-30-v1/.dockerignore

@@ -1,3 +1,4 @@
 .venv
 tmp
 .git
+.env

deps/test-task-2025-06-30-v1/.gitignore

@@ -1,2 +1,3 @@
 !.tmuxp/
 !python
+.env/

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

@@ -22,3 +22,28 @@ services:
         limits:
           cpus: '0.5'
           memory: 128M
+
+  postgresql:
+    image: docker.io/postgres:14.18-bookworm@sha256:c0aab7962b283cf24a0defa5d0d59777f5045a7be59905f21ba81a20b1a110c9
+    # restart: always
+    # set shared memory limit when using docker compose
+    shm_size: 128mb
+    # 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
+    # environment:
+    #   POSTGRES_PASSWORD: example
+    logging:
+      driver: "json-file"
+      options:
+        max-size: 10m
+        max-file: "3"
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 128M