Open a local rails development server, binding it to your LAN IP and a port of your choice (or 3000) to allow easy sharing within teams or for mobile deice testing

local_rails.sh

#!/bin/bash

echo ==========================
echo    Local Rails Launcher
echo            ----
echo
echo  Getting local IP Address
echo --------------------------
echo

# Get the local IP address
LOCAL_IP=$(ifconfig en0 | grep inet | grep -v inet6 | awk '{print $2}')

echo $LOCAL_IP
echo
echo --------------------------
echo      Launching Rails
echo            ----
echo

# Set the default rails port
RAILS_PORT=3000

if [ "$1" = "port" ];then
  RAILS_PORT=$2
  echo
  echo  Using custom port
  echo --------------------------
  echo
  echo $RAILS_PORT
  echo
  echo --------------------------
fi

echo  Rails will be at
echo --------------------------
echo
echo http://$LOCAL_IP:$RAILS_PORT
echo
read -p "Press [Enter] to launch rails..."

bundle exec rails s -b $LOCAL_IP -p $RAILS_PORT