Question : An error occurred while installing pg (1.2.3), and Bundler cannot continue. Make sure that `gem install pg -v '1.2.3' --source 'https://rubygems.org/'` succeeds before bundling.
Answered by : faithful-fly-1jiiatucs6y5
sudo apt-get install libpq-dev
Source : https://askubuntu.com/questions/286617/error-cant-find-the-libpq-fe-h-header | Last Update : Tue, 23 Jun 20