python alpine image pymssql 설치 에러 (Could not build wheels for pymssql which use PEP 517 and cannot be installed directly)

python app 을 docker 환경에서 기동하기위해 빌드하는 도중 에러가 발생했다. 핵심구문은 PEP 517 문제인듯. ERROR: Could not build wheels for pymssql which use PEP 517 and cannot be installed directly [해결방법] freetds 설치 + 삽질1 + 삽질3 아래는 해결된 Dockerfile 예시이다. FROM python:3.7.10-alpine WORKDIR /usr/src/app RUN apk add gcc g++ make musl-dev python3-dev freetds-dev RUN apk add --update gcc libc-dev linux-headers && rm -rf /var/cache/apk/* ..