[英]How to add nginx cache-control headers via an ebextensions config file?
首先,我很困惑。 我已经ssh到我们的弹性beanstalk实例来仔细阅读nginx所在的位置等,看起来我找不到它。
显然,执行curl命令会产生如下标题:
Content-Encoding: gzip
Content-Type: text/css
Date: Wed, 23 Oct 2013 20:33:53 GMT
Last-Modified: Wed, 23 Oct 2013 18:59:04 GMT
Server: nginx/1.2.3
transfer-encoding: chunked
Connection: keep-alive
所以我认为nginx在某处。 我试图找到正确的位置,以便我可以通过ebextensions注入配置文件。
从本质上讲,我正在努力确保在不久的将来设置缓存控制,这似乎不起作用:
03-nginx.config:
files:
"/etc/nginx/conf.d/custom.conf" :
mode: "000777"
owner: ec2-user
owner: ec2-user
content: |
location ~ ^/assets/ {
expires 1y;
add_header Cache-Control public;
add_header ETag "";
break;
}
似乎nginx
是通过passenger-standalone
运行的。
[ec2-user@ip-10-196-221-244 support]$ pwd
/var/app/support
[ec2-user@ip-10-196-221-244 support]$ ls pids
passenger.pid passenger.pid.lock
[ec2-user@ip-10-196-221-244 support]$ cat pids/passenger.pid
1781
[ec2-user@ip-10-196-221-244 support]$ ps -eaf | grep 1781
root 1781 1 0 Sep25 ? 00:00:00 nginx: master process /var/lib/passenger-standalone/3.0.17-x86_64-ruby1.9.3-linux-gcc4.6.2-1002/nginx-1.2.3/sbin/nginx -c /tmp/passenger-standalone.1704/config -p /tmp/passenger-standalone.1704/
webapp 1782 1781 0 Sep25 ? 00:00:57 nginx: worker process
ec2-user 26387 25743 0 10:53 pts/0 00:00:00 grep 1781
更新我在配置了cloudfront的rails端使用此配置。 虽然标题与理想建议不符,但总比没有好。
#--------------------------------------------------------------------------------
# CDN
# Enable serving of images, stylesheets, and JavaScripts from an asset server
# http://thediscoblog.com/blog/2013/05/01/the-rails-cloudfront-and-heroku-performance-hat-trick/
# http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Expiration.html
# http://www.mnot.net/cache_docs/
# Check with http://redbot.org/
# - set asset host
#--------------------------------------------------------------------------------
config.action_controller.asset_host = "http://cdn.staging.acme.com"
config.assets.compress = true # Compress JavaScripts and CSS
config.assets.compile = false # Don't fallback to assets pipeline if a precompiled asset is missed
config.assets.digest = true # Generate digests for assets URLs
# must do this so we can inject the proper cache-control headers for cloudfront, served very few times anyways...
#config.serve_static_assets = true
config.static_cache_control = "public, max-age=#{1.year.to_i}"
尚未解决的问题:我错过了什么? 我应该使用什么位置为独立乘客注入额外的nginx
配置?
您可以通过修改“$(passenger-config --root)/ resources / templates / standalone”中的config.erb来更改为乘客独立的nginx生成的配置。 请参阅http://www.modrails.com/documentation/Users%20guide%20Standalone.html上的第4.3节。
修改它的选项是:
这些中的任何一个都应该在第一次通过hooks / preinit启动应用程序服务器之前执行。 尝试将其应用于正在运行的实例可能不起作用。 您可以终止现有的EC2实例,自动缩放将生成另一个实例。
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