diff --git a/.env.example b/.env.example
index 0b3d396..fbc4a0a 100644
--- a/.env.example
+++ b/.env.example
@@ -1,7 +1,12 @@
 # Public URL that docker clients use to reach the Nuxt auth endpoint
-# Behind NPM/Traefik this should be the HTTPS URL, e.g. https://registry-ui.example.com
+# Behind NPM/Traefik this should be the HTTPS URL of the admin UI
 AUTH_PUBLIC_URL=http://localhost:3080
 
+# Public registry host shown in UI quick-start / used by docker login·push·pull
+# Local: localhost:5050
+# Behind proxy: docker.sejong.dev  (or https://docker.sejong.dev — scheme is stripped for CLI)
+REGISTRY_PUBLIC_URL=localhost:5050
+
 # Registry token auth (must match auth.token.service / issuer in registry config)
 REGISTRY_AUTH_SERVICE=registry
 REGISTRY_AUTH_ISSUER=registry-aio
diff --git a/README.md b/README.md
index 67b3300..7724b7f 100644
--- a/README.md
+++ b/README.md
@@ -34,13 +34,16 @@ docker push localhost:5050/demo/alpine:latest
 
 ## 중요한 환경 변수
 
-- `AUTH_PUBLIC_URL` — **docker 클라이언트가 실제로 호출하는** Nuxt 공개 URL  
+- `AUTH_PUBLIC_URL` — **docker 클라이언트가 실제로 호출하는** Nuxt(관리 UI) 공개 URL  
   - 로컬: `http://localhost:3080`  
-  - 프록시 뒤: `https://registry-ui.example.com`  
+  - 프록시 뒤: `https://docker-ui.sejong.dev`  
   - Registry `auth.token.realm` = `${AUTH_PUBLIC_URL}/auth/token`
+- `REGISTRY_PUBLIC_URL` — **docker login / push / pull에 쓰는** Registry 공개 주소 (UI 빠른 시작에도 표시)  
+  - 로컬: `localhost:5050`  
+  - 프록시 뒤: `docker.sejong.dev` (`https://`를 넣어도 CLI용으로 스킴은 제거됨)
 - `REGISTRY_PORT` / `APP_PORT` — 호스트 포트 (기본 `5050` / `3080`)
 - `REGISTRY_AUTH_SERVICE` / `REGISTRY_AUTH_ISSUER` — Registry와 Auth JWT 설정 (기본 `registry` / `registry-aio`)
-  - 주의: registry 컨테이너에는 `REGISTRY_*` 환경변수를 직접 넣지 않습니다(공식 이미지가 설정 오버라이드로 해석함).
+  - 주의: registry 컨테이너에는 `REGISTRY_*` 환경변수를 직접 넣지 않습니다(공식 이미지가 설정 오버라이드로 해석함). `REGISTRY_PUBLIC_URL`은 app에만 전달됩니다.
 - `SESSION_SECRET` — 관리 UI 세션 서명 키 (운영에서 반드시 변경)
 - `ADMIN_USERNAME` / `ADMIN_PASSWORD` — 최초 admin 시드
 
@@ -54,12 +57,13 @@ docker compose up -d --force-recreate registry
 
 이 프로젝트는 TLS를 내장하지 않습니다. 이미 운영 중인 프록시에 연결하세요.
 
-1. `registry.example.com` → 호스트 `:5050`
-2. `registry-ui.example.com` → 호스트 `:3080` (UI + `/auth/token` + `/api`)
+1. `docker.sejong.dev` → 호스트 `:5050` (Registry)
+2. `docker-ui.sejong.dev` → 호스트 `:3080` (UI + `/auth/token` + `/api`)
 3. `.env`에 다음을 설정 후 Compose 재기동:
 
 ```env
-AUTH_PUBLIC_URL=https://registry-ui.example.com
+AUTH_PUBLIC_URL=https://docker-ui.sejong.dev
+REGISTRY_PUBLIC_URL=docker.sejong.dev
 ```
 
 프록시에서 Registry로 큰 이미지 업로드 시 body size 제한을 충분히 올리세요 (예: NPM의 client max body size).
diff --git a/app/app/pages/guide.vue b/app/app/pages/guide.vue
index e7fc648..42fdccb 100644
--- a/app/app/pages/guide.vue
+++ b/app/app/pages/guide.vue
@@ -28,11 +28,11 @@ docker compose up -d --build</code></pre>
           <div class="mt-4 grid grid-cols-2 gap-3 text-sm">
             <div class="rounded-lg border p-3">
               <div class="text-muted-foreground">UI / Auth</div>
-              <code class="mt-1 block font-mono">localhost:3080</code>
+              <code class="mt-1 block break-all font-mono">{{ authPublicHost }}</code>
             </div>
             <div class="rounded-lg border p-3">
               <div class="text-muted-foreground">Registry</div>
-              <code class="mt-1 block font-mono">localhost:5050</code>
+              <code class="mt-1 block break-all font-mono">{{ registryHost }}</code>
             </div>
           </div>
         </CardContent>
@@ -47,8 +47,8 @@ docker compose up -d --build</code></pre>
           <CardDescription>UI에서 생성한 계정으로 로그인합니다.</CardDescription>
         </CardHeader>
         <CardContent class="space-y-4">
-          <pre class="overflow-x-auto rounded-lg border bg-muted/40 p-4 font-mono text-sm leading-7"><code>docker login localhost:5050
-docker pull localhost:5050/demo/alpine:latest</code></pre>
+          <pre class="overflow-x-auto rounded-lg border bg-muted/40 p-4 font-mono text-sm leading-7"><code>docker login {{ registryHost }}
+docker pull {{ registryHost }}/demo/alpine:latest</code></pre>
           <p class="text-sm text-muted-foreground">
             Registry가 Nuxt의 <code class="font-mono">/auth/token</code>에서 JWT를 발급받아 요청 권한을 검증합니다.
           </p>
@@ -65,16 +65,17 @@ docker pull localhost:5050/demo/alpine:latest</code></pre>
         </CardHeader>
         <CardContent class="space-y-4">
           <div class="space-y-2 text-sm">
-            <div class="flex items-center justify-between rounded-lg border p-3">
-              <code class="font-mono">registry.example.com</code>
-              <Badge variant="outline">:5050</Badge>
+            <div class="flex items-center justify-between gap-3 rounded-lg border p-3">
+              <code class="break-all font-mono">{{ registryHost }}</code>
+              <Badge variant="outline">:{{ registryPort }}</Badge>
             </div>
-            <div class="flex items-center justify-between rounded-lg border p-3">
-              <code class="font-mono">registry-ui.example.com</code>
-              <Badge variant="outline">:3080</Badge>
+            <div class="flex items-center justify-between gap-3 rounded-lg border p-3">
+              <code class="break-all font-mono">{{ authPublicHost }}</code>
+              <Badge variant="outline">:{{ appPort }}</Badge>
             </div>
           </div>
-          <pre class="overflow-x-auto rounded-lg border bg-muted/40 p-4 font-mono text-sm"><code>AUTH_PUBLIC_URL=https://registry-ui.example.com</code></pre>
+          <pre class="overflow-x-auto rounded-lg border bg-muted/40 p-4 font-mono text-sm leading-7"><code>AUTH_PUBLIC_URL={{ authPublicUrl }}
+REGISTRY_PUBLIC_URL={{ registryHost }}</code></pre>
         </CardContent>
       </Card>
 
@@ -106,6 +107,26 @@ import { Info } from '@lucide/vue'
 
 useHead({ title: '가이드' })
 
+const config = useRuntimeConfig()
+
+function stripUrl(value: string) {
+  return value.replace(/^https?:\/\//i, '').replace(/\/+$/, '')
+}
+
+const authPublicUrl = computed(() => String(config.public.authPublicUrl || 'http://localhost:3080'))
+const authPublicHost = computed(() => stripUrl(authPublicUrl.value) || 'localhost:3080')
+const registryHost = computed(() => {
+  const raw = String(config.public.registryPublicUrl || '').trim()
+  if (raw) return stripUrl(raw)
+  return `localhost:${config.public.registryPort || '5050'}`
+})
+const registryPort = computed(() => String(config.public.registryPort || '5050'))
+const appPort = computed(() => {
+  const host = authPublicHost.value
+  const match = host.match(/:(\d+)$/)
+  return match?.[1] || '3080'
+})
+
 const aclPatterns = [
   { pattern: 'demo/app', description: '정확한 저장소' },
   { pattern: 'demo/*', description: 'demo 아래 한 단계' },
diff --git a/app/app/pages/index.vue b/app/app/pages/index.vue
index c191fb1..cd49ce3 100644
--- a/app/app/pages/index.vue
+++ b/app/app/pages/index.vue
@@ -63,9 +63,11 @@ const { data: stats } = await useFetch<{
   repositories: number
 }>('/api/stats')
 
+/** docker login / push에 쓰는 호스트 (스킴·끝 슬래시 제거) */
 const registryHost = computed(() => {
-  if (import.meta.client) {
-    return `${window.location.hostname}:${config.public.registryPort || '5050'}`
+  const raw = String(config.public.registryPublicUrl || '').trim()
+  if (raw) {
+    return raw.replace(/^https?:\/\//i, '').replace(/\/+$/, '')
   }
   return `localhost:${config.public.registryPort || '5050'}`
 })
diff --git a/app/nuxt.config.ts b/app/nuxt.config.ts
index 02e56a1..916612f 100644
--- a/app/nuxt.config.ts
+++ b/app/nuxt.config.ts
@@ -17,7 +17,8 @@ export default defineNuxtConfig({
     tokenKeyPath: process.env.TOKEN_KEY_PATH || '',
     tokenCertPath: process.env.TOKEN_CERT_PATH || '',
     public: {
-      authPublicUrl: process.env.AUTH_PUBLIC_URL || 'http://localhost:3000',
+      authPublicUrl: process.env.AUTH_PUBLIC_URL || 'http://localhost:3080',
+      registryPublicUrl: process.env.REGISTRY_PUBLIC_URL || 'localhost:5050',
       registryPort: process.env.REGISTRY_PORT || '5050',
     },
   },
diff --git a/docker-compose.yml b/docker-compose.yml
index 123cad0..a0842d1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -75,6 +75,7 @@ services:
       PORT: 3000
       DATABASE_URL: file:/data/registry-aio.db
       AUTH_PUBLIC_URL: ${AUTH_PUBLIC_URL:-http://localhost:3080}
+      REGISTRY_PUBLIC_URL: ${REGISTRY_PUBLIC_URL:-localhost:5050}
       REGISTRY_AUTH_SERVICE: ${REGISTRY_AUTH_SERVICE:-registry}
       REGISTRY_AUTH_ISSUER: ${REGISTRY_AUTH_ISSUER:-registry-aio}
       REGISTRY_INTERNAL_URL: ${REGISTRY_INTERNAL_URL:-http://registry:5000}