diff --git a/docker-compose.board-integrated.yml b/docker-compose.board-integrated.yml
index 48c371b..84037b1 100644
--- a/docker-compose.board-integrated.yml
+++ b/docker-compose.board-integrated.yml
@@ -45,7 +45,7 @@ services:
       ## ===== CRITICAL: Shared Database with KohakuHub =====
       ## Use the EXACT same database as KohakuHub for unified accounts
       - KOHAKU_BOARD_DB_BACKEND=postgres
-      - KOHAKU_BOARD_DATABASE_URL=postgresql://hub:hubpass@postgres:5432/kohakuhub
+      - KOHAKU_BOARD_DATABASE_URL=postgresql://<user>:<password>@postgres:5432/kohakuhub
 
       ## ===== CRITICAL: Shared Session Secret for SSO =====
       ## Must match KohakuHub's session secret for single sign-on
diff --git a/docker-compose.example.yml b/docker-compose.example.yml
index c68e126..48e4512 100644
--- a/docker-compose.example.yml
+++ b/docker-compose.example.yml
@@ -41,7 +41,7 @@ services:
 
       ## ===== Database Configuration =====
       - KOHAKU_HUB_DB_BACKEND=postgres
-      - KOHAKU_HUB_DATABASE_URL=postgresql://hub:hubpass@postgres:5432/kohakuhub
+      - KOHAKU_HUB_DATABASE_URL=postgresql://<user>:<password>@postgres:5432/kohakuhub
       - KOHAKU_HUB_AUTO_MIGRATE=true # Auto-confirm database migrations (required for Docker)
 
       ## ===== S3 Storage Configuration =====
@@ -136,8 +136,8 @@ services:
     container_name: postgres
     restart: always
     environment:
-      - POSTGRES_USER=hub
-      - POSTGRES_PASSWORD=hubpass
+      - POSTGRES_USER=<user>
+      - POSTGRES_PASSWORD=<password>
       - POSTGRES_DB=kohakuhub
     ports:
       - "25432:5432" # Optional: for external access
diff --git a/docker-compose.kohakuboard.yml b/docker-compose.kohakuboard.yml
index 4244ea9..a20c19d 100644
--- a/docker-compose.kohakuboard.yml
+++ b/docker-compose.kohakuboard.yml
@@ -34,7 +34,7 @@ services:
 
       # Option 2: PostgreSQL (uncomment for production)
       # - KOHAKU_BOARD_DB_BACKEND=postgres
-      # - KOHAKU_BOARD_DATABASE_URL=postgresql://board:boardpass@postgres-board:5432/kohakuboard
+      # - KOHAKU_BOARD_DATABASE_URL=postgresql://<user>:<password>@postgres-board:5432/kohakuboard
 
       ## ===== Authentication Configuration =====
       - KOHAKU_BOARD_AUTH_SESSION_SECRET=change-me-in-production
@@ -66,8 +66,8 @@ services:
   #   container_name: postgres-board
   #   restart: always
   #   environment:
-  #     - POSTGRES_USER=board
-  #     - POSTGRES_PASSWORD=boardpass
+  #     - POSTGRES_USER=<user>
+  #     - POSTGRES_PASSWORD=<password>
   #     - POSTGRES_DB=kohakuboard
   #   ports:
   #     - "25433:5432"  # Optional: for external access