fix(compose): data 볼륨 상대 경로 → RUNTIME_PATH 절대 경로로 통일

deployer 컨테이너 내부에서 docker compose up 실행 시 상대 경로(./data/music)가
/runtime/data/music으로 해석되어 호스트에서 bind mount 실패하는 문제 수정.

${RUNTIME_PATH}/data/<service> 패턴으로 통일하여 NAS 환경에서도 호스트 절대
경로(/volume1/docker/webpage/data/*)가 정확히 전달되도록 함.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -40,7 +40,7 @@ services:
       - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-}
       - CORS_ALLOW_ORIGINS=${CORS_ALLOW_ORIGINS:-http://localhost:3007,http://localhost:8080}
     volumes:
-      - ${STOCK_DATA_PATH:-./data/stock}:/app/data
+      - ${RUNTIME_PATH}/data/stock:/app/data
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
       interval: 30s
@@ -61,7 +61,7 @@ services:
       - MUSIC_MEDIA_BASE=${MUSIC_MEDIA_BASE:-/media/music}
       - CORS_ALLOW_ORIGINS=${CORS_ALLOW_ORIGINS:-http://localhost:3007,http://localhost:8080}
     volumes:
-      - ${MUSIC_DATA_PATH:-./data/music}:/app/data
+      - ${RUNTIME_PATH}/data/music:/app/data
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
       interval: 30s
@@ -82,7 +82,7 @@ services:
       - NAVER_CLIENT_SECRET=${NAVER_CLIENT_SECRET:-}
       - CORS_ALLOW_ORIGINS=${CORS_ALLOW_ORIGINS:-http://localhost:3007,http://localhost:8080}
     volumes:
-      - ${BLOG_DATA_PATH:-./data/blog}:/app/data
+      - ${RUNTIME_PATH}/data/blog:/app/data
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
       interval: 30s
@@ -101,7 +101,7 @@ services:
       - DATA_GO_KR_API_KEY=${DATA_GO_KR_API_KEY:-}
       - CORS_ALLOW_ORIGINS=${CORS_ALLOW_ORIGINS:-http://localhost:3007,http://localhost:8080}
     volumes:
-      - ${REALESTATE_DATA_PATH:-./data/realestate}:/app/data
+      - ${RUNTIME_PATH}/data/realestate:/app/data
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
       interval: 30s
@@ -146,7 +146,7 @@ services:
       - ${RUNTIME_PATH}/nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
       - ${PHOTO_PATH}:/data/travel:ro
       - ${RUNTIME_PATH}/travel-thumbs:/data/thumbs:ro
-      - ${MUSIC_DATA_PATH:-./data/music}:/data/music:ro
+      - ${RUNTIME_PATH}/data/music:/data/music:ro
     extra_hosts:
       - "host.docker.internal:host-gateway"
     healthcheck: