Deploy rails via capistrano-rbenv may have the bundler issue.
bundle: command not found
The following line need to be remove even it is list on the offical doc
# set :rbenv_map_bins, %w{rake gem bundle ruby rails} # Remove this
deploy.rb
set :rbenv_type, :user # or :system, depends on your rbenv setup
set :rbenv_ruby, '2.6.3'
set :rbenv_path, '/home/{{user}}/.rbenv/'
set :rbenv_prefix, "/home/linuxbrew/.linuxbrew/bin/rbenv exec" # rbenv is managed by linuxbrew
# set :rbenv_map_bins, %w{rake gem bundle ruby rails}
set :rbenv_roles, :all # default value