My Nginx config

devConfig.sh

# ./nginx-production.sh
#===========
#Grant MacKenzie <grantmacken@gmail.com>
#v0.1, May 2013
#................................................................................
# dBin='~/bin'
# if [ ! -d ~/bin ] ; then
#    mkdir ~/bin
# fi
# git clone https://gist.github.com/5381105.git
# cd 5381133
# chmod +x devConfig.sh
# sudo ./devConfig.sh
#................................................................................
if [ ! -d /usr/local/nginx/cache ] ; then
    mkdir /usr/local/nginx/cache
fi
if [ ! -d /usr/local/nginx/proxy ] ; then
    mkdir /usr/local/nginx/proxy
fi
#
# the only dif line
cp nginx-dev.conf /usr/local/nginx/conf/nginx.conf
#
cp proxy.conf /usr/local/nginx/conf/proxy.conf
cp proxy_cache.conf /usr/local/nginx/conf/proxy_cache.conf
cp gzip.conf /usr/local/nginx/conf/gzip.conf
cp productionServer.conf /usr/local/nginx/conf/productionServer.conf
cp developmentServer.conf /usr/local/nginx/conf/developmentServer.conf
# remove proxy cache
cd /usr/local/nginx/cache
rm -rf *
nginx -V
nginx -t
nginx -s reload

developmentServer.conf

server {
  listen 80 default deferred;
  server_name  ~^(www\.)?(?<domain>.+)$;
  charset utf-8;
  access_log /var/log/nginx/file.log main;
  # root set to eXist data file system
  root   /usr/local/eXist/webapp/WEB-INF/data/fs/db/apps/$domain;


#######################
# development server
# for local testing server
######################


#############
# a bundle of rewrites for serving html pages
# eXist templating handles html pages so they get proxied as html
#############
rewrite ^/?(?:index|index.html)?$ /index.html break;
rewrite ^/?([\w\-_]+)/?(?:index|index.html)?$ /$1/index.html break;
rewrite ^/?((?:[\w\-_]+)/(?:[\w\-_]+))(?:.html)?$  /$1.html break;

location ~* ^(.*)\.html$ {
  gzip_static  off;
  try_files $uri @proxy;
  }

##########################
# IMAGES
# look for images on disk first, reverse proxied thru eXist if not found
# images don't have to have an extension ref. try files
# don't bother to gzip or look for gzip file
# don't make browser cache images with expires set to -0
# SVG images are the exception as we want to gzip these
# don't use proxy cache on dev server
# #######################

location ~* ^(/resources/images/svg.+)$ {
  gzip_static  on;
  expires -1;
  try_files  $uri $uri.svg.gz $uri.svg  @proxy;
  log_not_found off;
}

location ~* ^(/resources/images.+)$ {
  gzip_static  off;
  expires -1;
  try_files $uri $uri.jpg $uri.jpeg $uri.gif $uri.png $uri.ico  @proxy;
  log_not_found off;
}

##########################
# STYLES AND SCRIPTS
# look for gzipped css on disk first [ filename.css.gz ]
# look for css on disk next [ filename.css ]
# css don't have to have an extension ref. try files
# don't make browser cache css with expires set to -0
# #######################

location ~* ^(/resources/styles.+)$ {
  gzip_static on;
  expires -1;
  try_files $uri $uri.css.gz $uri.css  @proxy;
  }

location ~* ^(/resources/scripts)$ {
  gzip_static on;
  expires -1;
  try_files $uri  $uri.js.gz  $uri $uri.js @proxy;
  }

##########################
# our development reverse proxy
# does not include a proxy cache
# #######################


location @proxy {
  rewrite ^/?(.*)$ /exist/apps/$domain/$1 break;
  proxy_pass http://localhost:8080;
  }
}

gzip.conf

######################
# Gzip Configuration.
# allows for on-the-fly gzip compression however if
# gzip static on
# if file on disk with gZip extension then grab that
# to test if serving static files turn gzip off
#####################
gzip on;
gzip_vary on;
gzip_disable msie6;
gzip_min_length  0;
#gzip_min_length  1000;
gzip_http_version 1.1;
#gzip_comp_level 9;
gzip_comp_level 6;
gzip_proxied any;
# what file types to compress (text/html is always compressed
gzip_types text/plain
           text/css
           text/javascript
           application/x-javascript
           text/xml
           image/svg+xml
           application/xml
           application/xml+rss;
           #

# Disable for IE < 6
gzip_disable "MSIE [1-6].(?!.*SV1)";


######################

nginx-dev.conf

pid   logs/nginx.pid;
worker_processes 1;

events {
    worker_connections  512;
    use epoll;
}

http {
  include       mime.types;
  include       gzip.conf;
  #include       proxy.conf;
  default_type  application/octet-stream;
  sendfile        on;
  tcp_nopush on;
  tcp_nodelay off;
  chunked_transfer_encoding on;
  if_modified_since before;
  merge_slashes on;
  access_log off;
  log_format main '$remote_addr - $remote_user [$time_local]  '
                  '"$request" $status $body_bytes_sent '
                  '"$http_referer" "$http_user_agent" '
                  ' gzip_ratio "$gzip_ratio"';

  #include productionServer.conf;
  include developmentServer.conf;
}

nginx-prod.conf

pid   logs/nginx.pid;
worker_processes 1;

events {
    worker_connections  512;
    # use epoll most likely the default anyway;
    use epoll;
}

http {
  include       mime.types;
  include       gzip.conf;
  include       proxy.conf;
  default_type  application/octet-stream;
  sendfile        on;
  tcp_nopush on;
  tcp_nodelay off;
  # altered defaults
  chunked_transfer_encoding on;
  if_modified_since before;
  merge_slashes on;
  access_log off;
  #log_format log_with_ratio "'$host ',  gzip_ratio  '$gzip_ratio' ";
  log_format main '$remote_addr - $remote_user [$time_local]  '
                  '"$request" $status $body_bytes_sent '
                  '"$http_referer" "$http_user_agent" '
                  ' gzip_ratio "$gzip_ratio"';

  include productionServer.conf;
}

nginx.conf

pid   logs/nginx.pid;
worker_processes 1;

events {
    worker_connections  512;
    use epoll;
}

http {
  include       mime.types;
  include       gzip.conf;
  #include       proxy.conf;
  default_type  application/octet-stream;
  sendfile        on;
  tcp_nopush on;
  tcp_nodelay off;
  chunked_transfer_encoding on;
  if_modified_since before;
  merge_slashes on;
  access_log off;
  log_format main '$remote_addr - $remote_user [$time_local]  '
                  '"$request" $status $body_bytes_sent '
                  '"$http_referer" "$http_user_agent" '
                  ' gzip_ratio "$gzip_ratio"';

  #include productionServer.conf;
  include developmentServer.conf;
}

prodConfig.sh

# ./nginx-production.sh
#===========
#Grant MacKenzie <grantmacken@gmail.com>
#v0.1, May 2013
#................................................................................
# dBin='~/bin'
# if [ ! -d ~/bin ] ; then
#    mkdir ~/bin
# fi
#
# git clone https://gist.github.com/5381105.git
# cd 5381105
# chmod +x prodConfig.sh
# sudo ./prodConfig.sh
#................................................................................
if [ ! -d /usr/local/nginx/cache ] ; then
    mkdir /usr/local/nginx/cache
fi
if [ ! -d /usr/local/nginx/proxy ] ; then
    mkdir /usr/local/nginx/proxy
fi
# the only dif line
cp nginx-prod.conf /usr/local/nginx/conf/nginx.conf
cp proxy.conf /usr/local/nginx/conf/proxy.conf
cp proxy_cache.conf /usr/local/nginx/conf/proxy_cache.conf
cp gzip.conf /usr/local/nginx/conf/gzip.conf
cp productionServer.conf /usr/local/nginx/conf/productionServer.conf
# remove proxy cache
cd /usr/local/nginx/cache
rm -rf *
nginx -V
nginx -t
nginx -s reload

productionServer.conf

server {
  listen 80 default deferred;
  server_name  ~^(www\.)?(?<domain>.+)$;
  charset utf-8;
  access_log /var/log/nginx/file.log main;
  # root set to eXist data file system
  root   /usr/local/eXist/webapp/WEB-INF/data/fs/db/apps/$domain;


#######################
# production server locations
# for remote production server
#
######################


#############
# a bundle of rewrites for serving html pages
# eXist templating handles html pages so they get proxied as html
#############
rewrite ^/?(?:index|index.html)?$ /index.html break;
rewrite ^/?([\w\-_]+)/?(?:index|index.html)?$ /$1/index.html break;
rewrite ^/?((?:[\w\-_]+)/(?:[\w\-_]+))(?:.html)?$  /$1.html break;

location ~* ^(.*)\.html$ {
  gzip_static  off;
  try_files $uri @proxy;
  }

##########################
# IMAGES
# look for images on disk first, reverse proxied thru eXist if not found
# images don't have to have an extension ref. try files
# don't bother to gzip or look for gzip file
# make browser cache images with expires set to max  into the future
# SVG images are the exception as we want to gzip these and
# cache to fs them once received from eXist
# #######################

location ~* ^(/resources/images/svg.+)$ {
  include       proxy_cache.conf;
  gzip_static  on;
  expires max;
  add_header Pragma public;
  try_files  $uri $uri.svg.gz $uri.svg  @proxy;
  log_not_found off;
}

location ~* ^(/resources/images.+)$ {
  gzip_static  off;
  expires max;
  #add_header Expires "Thu, 31 Dec 2037 23:55:55 GMT";
  #add_header Cache-Control "public, max-age=315360000";
  add_header Pragma public;
  try_files $uri $uri.jpg $uri.jpeg $uri.gif $uri.png $uri.ico  @proxy;
  log_not_found off;
}

##########################
# STYLES AND SCRIPTS
# look for gzipped css on disk first [ filename.css.gz ]
# look for css on disk next [ filename.css ]
# css don't have to have an extension ref. try files
# make browser cache images with expires set to max  into the future
# #######################

location ~* ^(/resources/styles.+)$ {
  gzip_static on;
  expires max;
  add_header Pragma public;
  #add_header Cache-Control "public, must-revalidate, proxy-revalidate";
  try_files $uri $uri.css.gz $uri.css  @proxy;
  }

location ~* ^(/resources/scripts)$ {
  gzip_static on;
  expires max;
  add_header Pragma public;
  #add_header Cache-Control "public, must-revalidate, proxy-revalidate";
  try_files $uri  $uri.js.gz  $uri $uri.js @proxy;
  }

##########################
# our production reverse proxy
# also includes a proxy cache
# #######################


location @proxy {
  include       proxy_cache.conf;
  rewrite ^/?(.*)$ /exist/apps/$domain/$1 break;
  proxy_pass http://localhost:8080;
  }
}

proxy.conf

######################
# proxy Configuration.
# http://wiki.nginx.org/HttpProxyModule
# /exist/apps/doc/production_web_proxying.xml
# todo include file
#######################
proxy_redirect off;
proxy_set_header  Host $host;
proxy_set_header  X-Real-IP  $remote_addr;
proxy_set_header  X-Forwarded-For  $proxy_add_x_forwarded_for;
proxy_set_header   nginx-request-uri  $request_uri;
# optional no jetty cookies
#proxy_set_header Cookie "";
proxy_hide_header Set-Cookie;

client_max_body_size 10m;
client_body_buffer_size 128k;
# increase timeout
proxy_connect_timeout 300;
proxy_send_timeout 120;
proxy_read_timeout 120;
#increase proxy memory buffer for faster responses:
proxy_buffers               4 32k;
proxy_busy_buffers_size     32k;
proxy_temp_file_write_size  32k;
# end proxy defaults
# set proxy_cache_path here but enable with include proxy_cache.conf on location basis
proxy_cache_path  /usr/local/nginx/cache  levels=1:2   keys_zone=muCache:8m inactive=600m  max_size=1000m;
proxy_temp_path /usr/local/nginx/proxy;
proxy_cache_key "$scheme$request_method$host$request_uri";

proxy_cache.conf

  # PROXY CACHE
  proxy_cache muCache;

  proxy_cache_valid  200 302  1d;
  proxy_cache_valid  301 301  1d;
  proxy_cache_valid 404      1m;
  #proxy_cache_valid  any      1m;
  proxy_ignore_headers "X-Accel-Redirect" "X-Accel-Expires" "Expires" "Cache-Control" "Set-Cookie";
  #proxy_pass_header Set-Cookie;

  #Specifies in what cases a response will not be cached, e.g.
  #proxy_no_cache $cookie_nocache $arg_nocache $arg_comment;
  #proxy_no_cache $http_pragma $http_authorization;

      # no jetty cookies
  #proxy_set_header Cookie "";
  #proxy_hide_header Set-Cookie;
  add_header X-Cache-Status $upstream_cache_status;