feat: Update Docker entrypoint scripts to create admin account on container startup

DOCKER_GIT_DEPLOYMENT.md

@@ -134,19 +134,19 @@ When `GIT_REPO_URL` is provided:
 2. If `GIT_COMMIT` is specified, checkout that specific commit
 3. Install dependencies from the repository's package.json
 4. Build the application
-5. **Create the default admin account automatically**
+5. **Admin account is created when container starts (not during build)**
 6. Start the production server
 
 When `GIT_REPO_URL` is not provided:
 1. Copy local files into the container
 2. Install dependencies
 3. Build the application
-4. **Create the default admin account automatically**
+4. **Admin account is created when container starts (not during build)**
 5. Start the production server
 
 ## Default Admin Account
 
-Both development and production Docker builds automatically create a default admin account with these credentials:
+Both development and production Docker containers automatically create a default admin account **when the container starts** (not during build). This ensures the database is properly persisted in mounted volumes.
 
 - **Email**: `admin@localhost.com`
 - **Password**: `admin123456`
@@ -193,7 +193,9 @@ The script will skip creation if an admin account already exists.
 - For private repositories, verify authentication tokens/keys
 
 ### Admin Account Issues
-- If admin creation fails during build, check database initialization
-- Ensure the database file is writable in the container
+- If admin creation fails during startup, check database initialization
+- Ensure the `./data` directory is writable on the host
+- Database files are persisted in the mounted `./data` volume
+- Admin account is created on container startup, not during build
 - If admin already exists, the script will skip creation (this is normal)
-- To recreate admin account, delete the database and rebuild the container
+- To recreate admin account, delete the database file in `./data/` and restart the container