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I've been having access denied errors when trying to run my first rails app on my mac.

When I run bundle install I get

An error occurred while installing pg (0.18.1), and Bundler cannot continue.
Make sure that `gem install pg -v '0.18.1'` succeeds before bundling.

Then I run gem install pg -v '0.18.1' and get the following error

Building native extensions.  This could take a while...
ERROR:  Error installing pg:
ERROR: Failed to build gem native extension.
/Users/foo/.rvm/rubies/ruby-2.2.1/bin/ruby -r ./siteconf20150502-79500-1qqztpf.rb extconf.rb

checking for pg_config... no
No pg_config... trying anyway. If building fails, please try again with
 --with-pg-config=/path/to/pg_config
checking for libpq-fe.h... no
Can't find the 'libpq-fe.h header
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.
Gem files will remain installed in /Users/foo/.rvm/gems/ruby-2.2.1/gems/pg-0.18.1 for inspection.
Results logged to /Users/foo/.rvm/gems/ruby-2.2.1/extensions/x86_64-darwin-14/2.2.0-static/pg-0.18.1/gem_make.out
grabury
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  • Check out the answers from this post http://stackoverflow.com/questions/6040583/cant-find-the-libpq-fe-h-header-when-trying-to-install-pg-gem – Hoa May 02 '15 at 10:30
  • Thank you! That was lazy of me. Sorry – grabury May 02 '15 at 10:53

1 Answers1

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Are you only running PostgreSQL in production? In that case make sure it is only grouped for production in your Gemfile:

group :production do 
  gem pg, '0.18.1'
end

After that, make sure to run bundle install by stating not to install production gems:

$ bundle install --without production

I hope this helps.

Harish Ramachandran
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