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# Set another default user than root for security reasons
user www www;
# As a thumb rule: One per CPU. If you are serving a large amount
# of static files, which requires blocking disk reads, you may want
# to increase this from the number of cpu_cores available on your
# system.
# The maximum number of connections for Nginx is calculated by:
# max_clients = worker_processes * worker_connections
worker_processes 1;
# Maximum file descriptors that can be opened per process
# This should be > worker_connections
worker_rlimit_nofile 8192;
events {
# When you need > 8000 * cpu_cores connections, you start optimizing
# your OS, and this is probably the point at where you hire people
# who are smarter than you, this is *a lot* of requests.
worker_connections 8000;
# Change these paths to somewhere that suits you!
error_log logs/error.log;
pid logs/;
http {
# Set the mime-types via the mime.types external file
include nginx-mime.types;
# And the fallback mime-type
default_type application/octet-stream;
# Format for our log files
log_format main '$remote_addr - $remote_user [$time_local] $status '
'"$request" $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
# Click tracking!
access_log logs/access.log main;
# ~2 seconds is often enough for HTML/CSS, but connections in
# Nginx are cheap, so generally it's safe to increase it
keepalive_timeout 20;
# You usually want to serve static files with Nginx
sendfile on;
tcp_nopush on; # off may be better for Comet/long-poll stuff
tcp_nodelay off; # on may be better for Comet/long-poll stuff
# Enable Gzip:
gzip on;
gzip_http_version 1.0;
gzip_comp_level 5;
gzip_min_length 512;
gzip_buffers 4 8k;
gzip_proxied any;
# text/html is always compressed by HttpGzipModule
# This should be turned on if you are going to have pre-compressed copies (.gz) of
# static files available. If not it should be left off as it will cause extra I/O
# for the check. It would be better to enable this in a location {} block for
# a specific directory:
# gzip_static on;
gzip_disable "MSIE [1-6]\.";
gzip_vary on;
server {
# listen 80 default_server deferred; # for Linux
# listen 80 default_server accept_filter=httpready; # for FreeBSD
listen 80 default_server;
# e.g. "localhost" to accept all connections, or ""
# to handle the requests for "" (and
# server_name;
# Path for static files
root /sites/;
# Custom 404 page
error_page 404 /404.html;
# This is pretty long expiry and assume your using
# cachebusting with query params like
# <script src="application.js?20110529">
# Just be careful if your using this on a frequently
# updated static site. You may want to crank this back
# to 5m which is 5 minutes.
expires 1M; # yes one month
# Static assets
location ~* ^.+\.(manifest|appcache)$ {
expires -1;
access_log logs/static.log;
# Set expires max on static file types (make sure you are using cache busting filenames or query params):
location ~* ^.+\.(css|js|jpg|jpeg|gif|png|ico|gz|svg|svgz|ttf|otf|woff|eot|mp4|ogg|ogv|webm)$ {
expires max;
access_log off;
# opt-in to the future
add_header "X-UA-Compatible" "IE=Edge,chrome=1";