git clonegit submodule update --initgit submodule foreach git checkout mainbundlenpm installbin/rails credentials:edit -e developmentsecret_key_base: 128位字符
database_user:
database_password:
active_record_encryption:
primary_key: 32位字符
deterministic_key: 32位字符
key_derivation_salt: 32位字符
系统提供了快速生成密钥的命令:bin/secret, 默认为 32 位字符,如需指定字符位数,将位数作为参数传入即可:bin/secret 128
rake db:setup