From 253f0ab4599030cc18eebbab1611c7c83cc2262e Mon Sep 17 00:00:00 2001 From: Eric Wong Date: Mon, 23 Nov 2009 22:28:05 -0800 Subject: Add examples for nginx and unicorn These should help make things easier for folks unfamiliar with nginx setups. --- examples/nginx.conf | 139 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 examples/nginx.conf (limited to 'examples/nginx.conf') diff --git a/examples/nginx.conf b/examples/nginx.conf new file mode 100644 index 0000000..d42ade8 --- /dev/null +++ b/examples/nginx.conf @@ -0,0 +1,139 @@ +# This is example contains the bare mininum to get nginx going with +# Unicorn or Rainbows! servers. Generally these configuration settings +# are applicable to other HTTP application servers (and not just Ruby +# ones), so if you have one working well for proxying another app +# server, feel free to continue using it. +# +# The only setting we feel strongly about is the fail_timeout=0 +# directive in the "upstream" block. max_fails=0 also has the same +# effect as fail_timeout=0 for current versions of nginx and may be +# used in its place. +# +# Users are strongly encouraged to refer to nginx documentation for more +# details and search for other example configs. + +# you generally only need one nginx worker unless you're serving +# large amounts of static files which require blocking disk reads +worker_processes 1; + +# # drop privileges, root is needed on most systems for binding to port 80 +# # (or anything < 1024). Capability-based security may be available for +# # your system and worth checking out so you won't need to be root to +# # start nginx to bind on 80 +user nobody nogroup; # for systems with a "nogroup" +# user nobody nobody; # for systems with "nobody" as a group instead + +# Feel free to change all paths to suite your needs here, of course +pid /tmp/nginx.pid; +error_log /tmp/nginx.error.log; + +events { + worker_connections 1024; # increase if you have lots of clients + accept_mutex off; # "on" if nginx worker_processes > 1 + # use epoll; # enable for Linux 2.6+ + # use kqueue; # enable for FreeBSD, OSX +} + +http { + # nginx will find this file in the config directory set at nginx build time + include mime.types; + + # fallback in case we can't determine a type + default_type application/octet-stream; + + # click tracking! + access_log /tmp/nginx.access.log combined; + + # you generally want to serve static files with nginx since neither + # Unicorn nor Rainbows! is optimized for it at the moment + sendfile on; + + tcp_nopush on; # off may be better for *some* Comet/long-poll stuff + tcp_nodelay off; # on may be better for some Comet/long-poll stuff + + # we haven't checked to see if Rack::Deflate on the app server is + # faster or not than doing compression via nginx. It's easier + # to configure it all in one place here for static files and also + # to disable gzip for clients who don't get gzip/deflate right. + # There are other other gzip settings that may be needed used to deal with + # bad clients out there, see http://wiki.nginx.org/NginxHttpGzipModule + gzip on; + gzip_http_version 1.0; + gzip_proxied any; + gzip_min_length 500; + gzip_disable "MSIE [1-6]\."; + gzip_types text/plain text/html text/xml text/css + text/comma-separated-values + text/javascript application/x-javascript + application/atom+xml; + + # this can be any application server, not just Unicorn/Rainbows! + upstream app_server { + # fail_timeout=0 means we always retry an upstream even if it failed + # to return a good HTTP response (in case the Unicorn master nukes a + # single worker for timing out). + + # for UNIX domain socket setups: + server unix:/tmp/.sock fail_timeout=0; + + # for TCP setups, point these to your backend servers + # server 192.168.0.7:8080 fail_timeout=0; + # server 192.168.0.8:8080 fail_timeout=0; + # server 192.168.0.9:8080 fail_timeout=0; + } + + server { + # listen 80 default deferred; # for Linux + # listen 80 default accept_filter=httpready; # for FreeBSD + listen 80 default; + + client_max_body_size 4G; + server_name _; + + # ~2 seconds is often enough for most folks to parse HTML/CSS and + # retrieve needed images/icons/frames, connections are cheap in + # nginx so increasing this is generally safe... + keepalive_timeout 5; + + # path for static files + root /path/to/app/current/public; + + location / { + # an HTTP header important enough to have its own Wikipedia entry: + # http://en.wikipedia.org/wiki/X-Forwarded-For + proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; + + # enable this if and only if you use HTTPS, this helps Rack + # set the proper protocol for doing redirects: + # proxy_set_header X-Forwarded-Proto https; + + # pass the Host: header from the client right along so redirects + # can be set properly within the Rack application + proxy_set_header Host $http_host; + + # we don't want nginx trying to do something clever with + # redirects, we set the Host: header above already. + proxy_redirect off; + + # set "proxy_buffering off" *only* for Rainbows! when doing + # Comet/long-poll stuff. It's also safe to set if you're + # using only serving fast clients with Unicorn + nginx. + # Otherwise you _want_ nginx to buffer responses to slow + # clients, really. + # proxy_buffering off; + + # Try to serve static files from nginx, no point in making an + # *application* server like Unicorn/Rainbows! serve static files. + if (!-f $request_filename) { + proxy_pass http://app_server; + break; + } + } + + # Rails error pages + error_page 500 502 503 504 /500.html; + location = /500.html { + root /path/to/app/current/public; + } + } +} -- cgit v1.2.3-24-ge0c7