트러블 슈팅 options.allowedHosts[0] should be a non-empty string 키스샷1104 2024. 2. 15. 18:24 https://velog.io/@pengoose_dev/React-Spring-Boot-Proxy-Erroroptions.allowedHosts0-should-be-a-non-empty-string React + Spring Boot Proxy Error (options.allowedHosts[0] should be a non-empty string) proxy 설정 에러 해결법 velog.io