Heroku deployment issue

[meghanmullally]

Help I'm trying to get my nodeBB to deploy to heroku but the last step isn't working for me.
Any Ideas??

 make: Leaving directory '/tmp/build_8c0ab08ecd185b51c4f3a97498ad6366/node_modules/sharp/build'
       gyp ERR! build error 
       gyp ERR! stack Error: `make` failed with exit code: 2
       gyp ERR! stack     at ChildProcess.onExit (/tmp/build_8c0ab08ecd185b51c4f3a97498ad6366/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:196:23)
       gyp ERR! stack     at ChildProcess.emit (events.js:203:13)
       gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:272:12)
       gyp ERR! System Linux 4.4.0-1048-aws
       gyp ERR! command "/tmp/build_8c0ab08ecd185b51c4f3a97498ad6366/.heroku/node/bin/node" "/tmp/build_8c0ab08ecd185b51c4f3a97498ad6366/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
       gyp ERR! cwd /tmp/build_8c0ab08ecd185b51c4f3a97498ad6366/node_modules/sharp
       gyp ERR! node -v v12.8.0
       gyp ERR! node-gyp -v v5.0.3
       gyp ERR! not ok 
       npm ERR! code ELIFECYCLE
       npm ERR! errno 1
       npm ERR! [email protected] install: `(node install/libvips && node install/dll-copy && prebuild-install) || (node-gyp rebuild && node install/dll-copy)`
       npm ERR! Exit status 1
       npm ERR! 
       npm ERR! Failed at the [email protected] install script.
       npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
       
       npm ERR! A complete log of this run can be found in:
       npm ERR!     /tmp/npmcache.YDgGT/_logs/2019-08-07T17_34_02_459Z-debug.log
-----> Build failed
       
       We're sorry this build is failing! You can troubleshoot common issues here:
       https://devcenter.heroku.com/articles/troubleshooting-node-deploys
       
       Some possible problems:
       
       - Dangerous semver range (>) in engines.node
         https://devcenter.heroku.com/articles/nodejs-support#specifying-a-node-js-version
       
       Love,
       Heroku
       
 !     Push rejected, failed to compile Node.js app.
 !     Push failed

[julian]

Are you running this on your local machine? Do you have build-essentials installed?