.ebextensions.ssh.config

files:
  "/opt/elasticbeanstalk/hooks/appdeploy/post/01_prepare_authorized_keys":
    mode: "000777"
    content: |
      ARRAY=(
        https://github.com/akehoyayoi.keys # アクセスできるようにしたいアカウントを列挙しておく
      )

      echo 'ssh-rsa 元々あったauthorized_keyを書いておく' > authorized_keys
      for item in ${ARRAY[@]}; do
          curl $item >> authorized_keys
      done

      cp authorized_keys /home/ec2-user/.ssh/authorized_keys
      chown ec2-user /home/ec2-user/.ssh/authorized_keys
      chmod 600 /home/ec2-user/.ssh/authorized_keys