refactor: 사이트 폴더명을 지역별(seoul, gyeonggi, incheon, gwangju, busan, daegu, daejeon)로 전환 및 docker-compose 반영

seoul/Dockerfile

@@ -0,0 +1,25 @@
+# Build stage
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+RUN npm run build
+
+# Production runner stage
+FROM node:20-alpine
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV PORT=80
+ENV HOST=0.0.0.0
+
+COPY --from=builder /app/.output ./.output
+
+EXPOSE 80
+
+CMD ["node", ".output/server/index.mjs"]