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- # 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 nginx web; # 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 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 {
- # enable one of the following if you're on Linux or FreeBSD
- # listen 80 default deferred; # for Linux
- # listen 80 default accept_filter=httpready; # for FreeBSD
- # If you have IPv6, you'll likely want to have two separate listeners.
- # One on IPv4 only (the default), and another on IPv6 only instead
- # of a single dual-stack listener. A dual-stack listener will make
- # for ugly IPv4 addresses in $remote_addr (e.g ":ffff:10.0.0.1"
- # instead of just "10.0.0.1") and potentially trigger bugs in
- # some software.
- # listen [::]:80 ipv6only=on; # deferred or accept_filter recommended
- 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 /var/www/public;
- # Prefer to serve static files directly from nginx to avoid unnecessary
- # data copies from the application server.
- #
- # try_files directive appeared in in nginx 0.7.27 and has stabilized
- # over time. Older versions of nginx (e.g. 0.6.x) requires
- # "if (!-f $request_filename)" which was less efficient:
- # http://bogomips.org/unicorn.git/tree/examples/nginx.conf?id=v3.3.1#n127
- try_files $uri/index.html $uri.html $uri @app;
- location @app {
- # 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 you forward HTTPS traffic to unicorn,
- # this helps Rack set the proper URL scheme for doing redirects:
- # proxy_set_header X-Forwarded-Proto $scheme;
- # 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/streaming. It's also safe to set if you're using
- # only serving fast clients with Unicorn + nginx, but not slow
- # clients. You normally want nginx to buffer responses to slow
- # clients, even with Rails 3.1 streaming because otherwise a slow
- # client can become a bottleneck of Unicorn.
- #
- # The Rack application may also set "X-Accel-Buffering (yes|no)"
- # in the response headers do disable/enable buffering on a
- # per-response basis.
- # proxy_buffering off;
- proxy_pass http://app_server;
- gzip_static on; # to serve pre-gzipped version
- expires max;
- add_header Cache-Control public;
- }
- # Rails error pages
- error_page 500 502 503 504 /500.html;
- location = /500.html {
- root /var/www/public;
- }
- }
- }
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