Question

当我使用新的Rails 5.1方法配置我的production.rb文件＆＃39; public_file_server.enabled＆＃39;时，我无法预编译我的资产，然后部署我的应用程序（在Heroku上）。

这是我在运行＆＃34; RAILS_ENV =生产包exec rake资产后看到的错误：预编译＆＃34;：

SELECT DISTINCT B1.BRANCHSTATE
FROM BRANCH b1
WHERE NOT EXISTS
(SELECT 'X'
  FROM branch b2,
       orders o,
       customer c,
       employee e
  WHERE o.salesperson = e.employeeid AND
        b2.branchnumber = e.empbranch AND
        c.customerid = o.customerid AND
        b1.branchstate = c.custstate)

以下是我的production.rb文件中的相关行：

rake aborted!
NoMethodError: undefined method `public_file_server' for #<Rails::Application::Configuration:0x007f81f0624b60>
/Users/jmarbach/Documents/rubyscripts/concorde/config/environments/production.rb:21:in `block in <top (required)>'
/Users/jmarbach/Documents/rubyscripts/concorde/config/environments/production.rb:1:in `<top (required)>'
/Users/jmarbach/Documents/rubyscripts/concorde/config/environment.rb:5:in `<top (required)>'

这是我的gem文件中的rails配置：

# Leverage browser caching
config.static_cache_control = 'public, max-age=1000'

# Set header expiray date
config.public_file_server.enabled = true
config.public_file_server.headers = {
  'Cache-Control' => 'public, s-maxage=31536000, maxage=15552000',
  'Expires' => "#{1.year.from_now.to_formatted_s(:rfc822)}"
  }

如何访问新合并的方法＆＃39; public_file_server＆＃39;？

Answer 1

正如您在问题中指出的那样，“public_file_server”是Rails 5.0的一项功能。正如您的gemfile所示，您正在运行rails 4.2.5。您需要升级到Rails 5.0。

Answer 2

我已经尝试了所有属于Ruby on Rails的东西，但决定跳转到nginx配置。这有助于我利用浏览器缓存：

location ~* \.(?:jpg|jpeg|gif|png|ico|gz|js|css|ttf)$ {
    expires 1M;
    access_log off;
    add_header Cache-Control "public";
}

希望它可以帮助任何人：）

Rails 4.2.5 - 无法升级＆＃34; config.serve_static_files＆＃34; to＆＃34; config.public_file_server.enabled＆＃34;

2 个答案: