Composer could not find a composer.json

Question

I tried to install composer via brew per:

In usr/local/bin (which was not on Mavricks and I had to make personally) I did.

brew tap jose

Answer 1

I encountered the same error, and was able to solve it as follows:

1. composer diagnose to see if something is wrong with the version of composer installed
2. composer self-update to install the latest version
3. composer update to update your composer.json file.