function set_env() {
  app_name="$1"
  env="$2"
  if [ ! $# == 2 ];
  then
    echo "Pass app_name and env as params"
    return
  else
    new_env=~/.env-files/."$app_name"/.env-"$env"

    if [ -f $new_env ]; then
      echo "loading '$env' env file for app '$app_name'"
      cwd=$(pwd)
      local_env="$cwd/.env"
      echo $(cat $new_env) > $local_env
    else
      echo "could not load environment '$env' for app '$app_name'"
    fi
  fi
}