diff --git a/backend/Dockerfile b/backend/Dockerfile
index 4dfb611..5bc5633 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -2,8 +2,11 @@ FROM python:3.12-slim
 
 WORKDIR /app
 
+ARG BUILD_NUMBER=dev
+
 ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
+    PYTHONUNBUFFERED=1 \
+    SITE_BUILD_NUMBER=${BUILD_NUMBER}
 
 COPY backend/requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
diff --git a/backend/app/main.py b/backend/app/main.py
index 6be34b0..9b46dc8 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -4,7 +4,7 @@ from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
 from .config import settings
-from .db import init_db
+from .db import init_db, set_setting
 from .routers.requests import (
     router as requests_router,
     startup_warmup_requests_cache,
@@ -41,6 +41,8 @@ async def health() -> dict:
 @app.on_event("startup")
 async def startup() -> None:
     init_db()
+    if settings.site_build_number and settings.site_build_number.strip():
+        set_setting("site_build_number", settings.site_build_number.strip())
     runtime = get_runtime_settings()
     configure_logging(runtime.log_level, runtime.log_file)
     asyncio.create_task(run_daily_jellyfin_sync())
diff --git a/docker-compose.yml b/docker-compose.yml
index 97b0ead..1686bba 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,6 +3,8 @@ services:
     build:
       context: .
       dockerfile: backend/Dockerfile
+      args:
+        BUILD_NUMBER: ${BUILD_NUMBER}
     env_file:
       - ./.env
     ports:
diff --git a/frontend/app/admin/SettingsPage.tsx b/frontend/app/admin/SettingsPage.tsx
index d09dc12..eb96b5f 100644
--- a/frontend/app/admin/SettingsPage.tsx
+++ b/frontend/app/admin/SettingsPage.tsx
@@ -300,7 +300,7 @@ export default function SettingsPage({ section }: SettingsPageProps) {
     requests_data_source: 'Pick where Magent should read requests from.',
     log_level: 'How much detail is written to the activity log.',
     log_file: 'Where the activity log is stored.',
-    site_build_number: 'Version or build identifier shown in the footer.',
+    site_build_number: 'Build number shown in the footer (auto-set from releases).',
     site_banner_enabled: 'Enable a sitewide banner for announcements.',
     site_banner_message: 'Short banner message for maintenance or updates.',
     site_banner_tone: 'Visual tone for the banner.',
diff --git a/scripts/build_release.ps1 b/scripts/build_release.ps1
new file mode 100644
index 0000000..70bed2e
--- /dev/null
+++ b/scripts/build_release.ps1
@@ -0,0 +1,26 @@
+$ErrorActionPreference = "Stop"
+
+$repoRoot = Resolve-Path "$PSScriptRoot\\.."
+Set-Location $repoRoot
+
+$now = Get-Date
+$buildNumber = "{0}{1}{2}{3}{4}" -f $now.ToString("dd"), $now.ToString("M"), $now.ToString("yy"), $now.ToString("HH"), $now.ToString("mm")
+
+Write-Host "Build number: $buildNumber"
+
+git tag $buildNumber
+git push origin $buildNumber
+
+$backendImage = "rephl3xnz/magent-backend:$buildNumber"
+$frontendImage = "rephl3xnz/magent-frontend:$buildNumber"
+
+docker build -f backend/Dockerfile -t $backendImage --build-arg BUILD_NUMBER=$buildNumber .
+docker build -f frontend/Dockerfile -t $frontendImage frontend
+
+docker tag $backendImage rephl3xnz/magent-backend:latest
+docker tag $frontendImage rephl3xnz/magent-frontend:latest
+
+docker push $backendImage
+docker push $frontendImage
+docker push rephl3xnz/magent-backend:latest
+docker push rephl3xnz/magent-frontend:latest