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server {
listen 80;
server_name <%= "#{@domain_name} www.#{@domain_name}" %>;
rewrite ^ https://$server_name$request_uri? permanent;
}
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/unicorn.practicingruby.sock fail_timeout=0;
}
server {
listen 443;
client_max_body_size 4G;
ssl on;
ssl_certificate <%= "ssl/#{@domain_name}.crt" %>;
ssl_certificate_key <%= "ssl/#{@domain_name}.key" %>;
ssl_session_timeout 5m;
ssl_protocols SSLv2 SSLv3 TLSv1;
ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
ssl_prefer_server_ciphers on;
if (-f $document_root/system/maintenance.html) {
return 503;
}
error_page 503 @maintenance;
location @maintenance {
rewrite ^(.*)$ /system/maintenance.html last;
break;
}
# ~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 /home/deploy/current/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;
}
# Rails error pages
error_page 404 402 500 /500.html;
location = /500.html {
root /home/deploy/current/public;
}
}