run phoenix on amazon linux

run phoenix on amazon linux.sh

# app deps
sudo yum install git

# erlang deps
sudo yum groupinstall "Development Tools"
sudo yum install ncurses-devel openssl-devel

# erlang
wget http://www.erlang.org/download/otp_src_19.2.tar.gz
tar -zxvf otp_src_19.2.tar.gz
rm otp_src_19.2.tar.gz
cd otp_src_19.2/
./configure
make
sudo make install

cd ..

# elixir
wget https://github.com/elixir-lang/elixir/archive/v1.4.2.zip
unzip v1.4.2.zip
cd elixir-1.4.2/
make
sudo make install
echo "PATH=\$PATH:/home/ec2-user/elixir-1.4.2/bin" >> ~/.bashrc

cd ..

# phoenix deps
sudo yum install postgresql
mix local.hex
sudo yum install nodejs npm --enablerepo=epel
sudo npm -g install brunch

# listen on port 80 as well
sudo iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 4001

git clone git://github.com/user_name/my-phonix-app

cd my-phoenix-app
npm install
mix deps.get
MIX_ENV=prod mix ecto.create
MIX_ENV=prod mix ecto.migrate
brunch build --production
MIX_ENV=prod mix phoenix.digest
MIX_ENV=prod PORT=4001 elixir --detached -S mix do compile, phoenix.server

i am getting error like when i trying sudo make intsall on elixir

escript: exception error: undefined function rebar:main/1
in function escript:run/2
in call from escript:start/1
in call from init:start_it/1
in call from init:start_em/1
make: *** [erlang] Error 127