'git push heroku master'를 실행하니 이런 에러가 뜹니다. 구글링을 해서 문제를 해결하려고 했으나
잘 안되서 질문드립니다.
$ git push heroku master Enumerating objects: 141, done. Counting objects: 100% (141/141), done. Delta compression using up to 16 threads Compressing objects: 100% (138/138), done. Writing objects: 100% (141/141), 384.05 KiB | 5.91 MiB/s, done. Total 141 (delta 74), reused 0 (delta 0), pack-reused 0 remote: Compressing source files... done. remote: Building source: remote: remote: -----> Node.js app detected remote: remote: -----> Build failed remote: ! Two different lockfiles found: package-lock.json and yarn.lock remote: remote: Both npm and yarn have created lockfiles for this application, remote: but only one can be used to install dependencies. Installing remote: dependencies using the wrong package manager can result in missing remote: packages or subtle bugs in production. remote: remote: - To use npm to install your application's dependencies please delete remote: the yarn.lock file. remote: remote: $ git rm yarn.lock remote: remote: - To use yarn to install your application's dependences please delete remote: the package-lock.json file. remote: remote: $ git rm package-lock.json remote: remote: https://help.heroku.com/0KU2EM53 remote: remote: ! Push rejected, failed to compile Node.js app. remote: remote: ! Push failed remote: Verifying deploy... remote: remote: ! Push rejected to openmanage. remote: To https://git.heroku.com/openmanage.git ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to 'https://git.heroku.com/openmanage.git'