fix: use yarn to build in dockerfile

frontend/Dockerfile

@@ -1,7 +1,7 @@
 FROM node:21-alpine3.19 as builder
 WORKDIR /app/
 COPY . .
-RUN npm install && npm run build
+RUN corepack install -g yarn && yarn build
 
 FROM nginx:1.21.3-alpine
 COPY --from=builder /app/dist /usr/share/nginx/html