Fix PostgreSQL container permission issues by using named volume

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- Fixed PostgreSQL container permission issues by switching from bind mount to named volume
+- Resolved "chown: /var/lib/postgresql/data: Permission denied" errors in PostgreSQL container
+
 ## [0.2.0] - 2025-06-06
 
 ### Fixed

docker-compose.yml

@@ -123,7 +123,7 @@ services:
       - POSTGRES_PASSWORD
       - POSTGRES_DB
     volumes:
-      - ./data/postgres:/var/lib/postgresql/data
+      - postgres_storage:/var/lib/postgresql/data
     healthcheck:
       test: [ 'CMD-SHELL', 'pg_isready -h localhost -U ${POSTGRES_USER} -d ${POSTGRES_DB}' ]
       interval: 5s