使用 Capistrano 和写作 Ruby 迭代边缘部署

想边自己写ruby代码，边部署随时能够到处查看，heroku域名又不友好，速度在国内又慢。于是乎想起来capistrano,于是学起 ...

capistrano 一点入门认知

https://www.evernote.com/shard/s6/sh/72a2b7c8-d531-4efc-9e16-ac82af2a92b7/e54fca8a9e7014ad87c79e7a7a5538c4

capistrano 新版的安装

http://capistranorb.com/documentation/getting-started/preparing-your-application/

http://capistranorb.com/

# Deploy in Gemfile

gem ‘capistrano‘, ‘~> 3.2.0‘

完毕安装即可。并生成capfile等即可了 ...

$bundle exec cap install

具体配置：

$vim config/deploy/production.rb

## content

11 server ‘qzi.me‘, roles: [:demo], port:1234, user: ‘qzi‘

12 task :uptime do |host|

13     on roles(:demo), in: :parallel do

14           uptime = capture(:uptime)

15           hostname =  capture(:hostname)

16               puts "#{hostname} reports: #{uptime}"

17     end

18 end

$ cap production uptime

更优写法：

$vim config/deploy/production.rb

server ‘qzi.me‘, roles: [:demo], port: 1234, user: ‘qzi’

$ vim lib/capistrano/tasks/test.rake

desc "check the uptime on the host"

task :uptime do |host|

on roles(:demo), in: :parallel do

uptime = capture(:uptime)

hostname =  capture(:hostname)

puts "#{hostname} reports: #{uptime}"

end

end

$cap -T    # 能够查到你新增加的命令了

ssh 本身先弄免rsa免password登陆。这个是题外话，能够百度之;

还有就是rails 项目怎么部署解释起来得另外去学，比方passenger, unicorn 等都不会非常难;

当然自己要有主机, 域名之类的;

临时先这样吧。主机登陆和操作命令都已经点到，以后把笔记再整理一通过与一些撞在了一起 ...

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