Docker build fails

[aliozcan]

docker build -t express-typescript-boilerplate . throws the following error:

Sending build context to Docker daemon  2.481MB
Step 1/6 : FROM node:alpine
 ---> b5e2b4c5089e
Step 2/6 : WORKDIR /usr/src/app
 ---> Using cache
 ---> 63e052961bc4
Step 3/6 : RUN npm install yarn -g
 ---> Running in f32549a4a08a
npm ERR! code EEXIST
npm ERR! syscall symlink
npm ERR! path ../lib/node_modules/yarn/bin/yarn.js
npm ERR! dest /usr/local/bin/yarn
npm ERR! errno -17
npm ERR! EEXIST: file already exists, symlink '../lib/node_modules/yarn/bin/yarn.js' -> '/usr/local/bin/yarn'
npm ERR! File exists: /usr/local/bin/yarn
npm ERR! Remove the existing file and try again, or run npm
npm ERR! with --force to overwrite files recklessly.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2020-09-13T13_19_44_863Z-debug.log
The command '/bin/sh -c npm install yarn -g' returned a non-zero code: 239

[olivercaine]

I've got a working one here if you need: https://github.com/olivercaine/express-typescript-boilerplate

[aliozcan]

Thanks @olivercaine