Nginx proxy configuration to proxy requests to different backends and init script to start nginx

nginx

#! /bin/sh

### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the nginx web server
# Description:       starts nginx using start-stop-daemon
### END INIT INFO

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/local/sbin/nginx
NAME=nginx
DESC=nginx

test -x $DAEMON || exit 0

# Include nginx defaults if available
if [ -f /etc/default/nginx ] ; then
   . /etc/default/nginx
fi

set -e

. /lib/lsb/init-functions

case "$1" in
  start)
  echo -n "Starting $DESC: "
  start-stop-daemon --start --quiet --pidfile /var/run/$NAME.pid \
  		    	                    --exec $DAEMON -- $DAEMON_OPTS || true
					    	   	                 echo "$NAME."
													    ;;
  stop)
  echo -n "Stopping $DESC: "
  start-stop-daemon --stop --quiet --pidfile /var/run/$NAME.pid \
  		    	       	          --exec $DAEMON || true
									          echo "$NAME."
													           ;;
  restart|force-reload)
  echo -n "Restarting $DESC: "
  start-stop-daemon --stop --quiet --pidfile \
  		    	       	          /var/run/$NAME.pid --exec $DAEMON || true
										      sleep 1
															               start-stop-daemon --start --quiet --pidfile \
																       			 	 	 	                          /var/run/$NAME.pid --exec $DAEMON -- $DAEMON_OPTS || true
																  		     	    	       		                             echo "$NAME."
																     	                           ;;
  reload)
      echo -n "Reloading $DESC configuration: "
      start-stop-daemon --stop --signal HUP --quiet --pidfile /var/run/$NAME.pid \
          --exec $DAEMON || true
      echo "$NAME."
      ;;
  status)
      status_of_proc -p /var/run/$NAME.pid "$DAEMON" nginx && exit 0 || exit $?
      ;;
  *)
  N=/etc/init.d/$NAME
  echo "Usage: $N {start|stop|restart|reload|force-reload|status}" >&2
  exit 1
  ;;
esac

exit 0

proxy.conf

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;
client_max_body_size    10m;
client_body_buffer_size 128k;
proxy_connect_timeout   90;
proxy_send_timeout      90;
proxy_read_timeout      90;
proxy_buffers           32 4k;