This should be your $HOME/.bash_profile file

.bash_profile

# Make sure packages know OSX is 64bit
export ARCHFLAGS='-arch x86_64'

# Homebrew Path Setup
export PATH=/usr/local/bin:/usr/local/sbin/:$HOME/bin:$PATH

# NPM Path Setup
export PATH=$PATH:/usr/local/share/npm/lib/node_modules

# Rbenv Path Setup
export PATH=$HOME/.rbenv/bin:$PATH
eval "$(rbenv init -)"

# Project specific, executable dependencies
export PATH=./bin:$PATH