Merge pull request #89 from SSASINSA/refactor/sprint-fix(#68)

#68/nginx 통합 작업

Author: seungsang2000

Dockerfile

@@ -1,22 +1,24 @@
 # ---------- 1단계: 빌드 단계 ----------
 FROM node:20-alpine AS build
 WORKDIR /app
-
+    
 COPY package.json package-lock.json ./
 RUN npm ci
-
+    
 COPY . .
-
-RUN npm run build
-
-
+    
+RUN PUBLIC_URL=. npm run build
+    
+    
 # ---------- 2단계: 런타임(서빙) 단계 ----------
-FROM nginx:alpine
-WORKDIR /usr/share/nginx/html
-
-COPY docker/frontend-nginx.conf /etc/nginx/conf.d/default.conf
-
-COPY --from=build /app/build ./
-
+FROM node:20-alpine AS runner
+WORKDIR /app
+    
+# 정적 파일 서빙용 (nginx 제거)
+RUN npm i -g serve
+    
+COPY --from=build /app/build ./build
+    
 EXPOSE 80
-CMD ["nginx", "-g", "daemon off;"]
+CMD ["serve", "-s", "build", "-l", "80"]
+