Flutterのインストールで行った環境作り

export PATH=$PATH:/Applications/Android\ Studio.app/Contents/jre/Contents/Home/bin
export PATH=$PATH:/Users/developer/Documents/flutter/bin
export JAVA_HOME=/Applications/Android\ Studio.app/Contents/jre/Contents/Home
export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"

developer@Mac-mini my_app_01 % gem -v     
3.2.22

developer@Mac-mini my_app_01 % ruby --version
ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [x86_64-darwin20]

developer@Mac-mini my_app_01 % rbenv versions                                   
  system
* 3.0.2 (set by /Users/developer/.rbenv/version)

developer@Mac-mini my_app_01 % brew -v
Homebrew 3.2.6
Homebrew/homebrew-core (git revision f909c2126a; last commit 2021-08-08)
Homebrew/homebrew-cask (git revision b4da68444e; last commit 2021-08-08)

developer@Mac-mini my_app_01 % xcode-select --version                         
xcode-select version 2384.

developer@Mac-mini my_app_01 % gem list ffi

*** LOCAL GEMS ***

ffi (1.15.3)
public_suffix (4.0.6)

developer@Mac-mini my_app_01 % xcodebuild -version
Xcode 13.0
Build version 13A5201i

developer@Mac-mini my_app_01 % pod --version
1.10.2