Linux系统上配置Nginx+Ruby on Rails+MySQL超攻略

$ curl -sSL https://get.rvm.io | bash -s stable

$ source /home/libuchao/.rvm/scripts/rvm
$ rvm -v
rvm 1.25.12 (stable) by Wayne E. Seguin <wayneeseguin@gmail.com> ......

$ type rvm
rvm is a function
......

$ rvm install 2.1.0
$ rvm use 2.1.0 --default
$ ruby -v
ruby 2.1.0p0

$ gem sources -r https://rubygems.org/
$ gem sources -a http://ruby.taobao.org/

$ gem install rails --no-ri --no-rdoc -V
......
$ rails -v
Rails 4.0.2

$ sudo apt-get install mysql-server libmysqlclient-dev

$ /usr/bin/mysql_secure_installation

mysql> CREATE DATABASE blix_production;
mysql> GRANT ALL PRIVILEGES ON blix_production.* TO blix@localhost IDENTIFIED BY "123456";
mysql> flush privileges;
mysql> exit

$ mysql -u blix -p blix_production < database.sql

deb http://nginx.org/packages/ubuntu/ precise nginx
deb-src http://nginx.org/packages/ubuntu/ precise nginx

$ wget http://nginx.org/keys/nginx_signing.key
$ sudo apt-key add nginx_signing.key

$ sudo apt-get update
$ sudo apt-get install nginx

$ RAILS_ENV=production rake assets:clean
$ RAILS_ENV=production rake assets:precompile

worker_processes 2
timeout 30

APP_PATH = File.expand_path("../..", __FILE__)
working_directory APP_PATH

listen 8080, :tcp_nopush => true
listen "/tmp/unicorn.sock", :backlog => 64

stderr_path APP_PATH + "/log/unicorn.stderr.log"
stdout_path APP_PATH + "/log/unicorn.stdout.log"

pid APP_PATH + "/tmp/pids/unicorn.pid"

#!/bin/sh
set -e
# Example init script, this can be used with nginx, too,
# since nginx and unicorn accept the same signals

# Feel free to change any of the following variables for your app:
TIMEOUT=${TIMEOUT-60}
APP_ROOT=/home/libuchao/blix
APP_USER=libuchao
PID=$APP_ROOT/tmp/pids/unicorn.pid
CMD="unicorn_rails -D -E production -c $APP_ROOT/config/unicorn.rb"
action="$1"
set -u

old_pid="$PID.oldbin"

cd $APP_ROOT || exit 1

sig () {
    test -s "$PID" && kill -$1 `cat $PID`
}

oldsig () {
    test -s $old_pid && kill -$1 `cat $old_pid`
}

case $action in
start)
    sig 0 && echo >&2 "Already running" && exit 0
    su -c "$CMD" - $APP_USER
    ;;
stop)
    sig QUIT && exit 0
    echo >&2 "Not running"
    ;;
force-stop)
    sig TERM && exit 0
    echo >&2 "Not running"
    ;;
restart|reload)
    sig HUP && echo reloaded OK && exit 0
    echo >&2 "Couldn't reload, starting '$CMD' instead"
    su -c "$CMD" - $APP_USER
    ;;
upgrade)
    if sig USR2 && sleep 2 && sig 0 && oldsig QUIT
    then
        n=$TIMEOUT
        while test -s $old_pid && test $n -ge 0
        do
            printf '.' && sleep 1 && n=$(( $n - 1 ))
        done
        echo

        if test $n -lt 0 && test -s $old_pid
        then
            echo >&2 "$old_pid still exists after $TIMEOUT seconds"
            exit 1
        fi
        exit 0
    fi
    echo >&2 "Couldn't upgrade, starting '$CMD' instead"
    su -c "$CMD" - $APP_USER
    ;;
reopen-logs)
    sig USR1
    ;;
*)
    echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"
    exit 1
    ;;
esac

$ chmod +x /home/libuchao/blix/config/unicorn_init.sh
$ sudo ln -s /home/libuchao/blix/config/unicorn_init.sh /etc/init.d/unicorn
$ sudo update-rc.d unicorn defaults

$ service unicorn start

upstream blix_backend {
  server unix:/tmp/unicorn.sock fail_timeout=0;
}

gzip on;
gzip_disable "msie6";
client_max_body_size 150m;

server {
  listen 80 default;
  return 403;
}

server {
  listen 80;
  server_name libuchao.com www.libuchao.com;

  root /home/libuchao/blix/public;

  try_files $uri/index.html $uri.html $uri @httpapp;

  location @httpapp {
    proxy_redirect   off;
    proxy_set_header  Host $host;
    proxy_set_header  X-Forwarded-Host $host;
    proxy_set_header  X-Forwarded-Server $host;
    proxy_set_header  X-Real-IP    $remote_addr;
    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_buffering  on;

    proxy_pass http://blix_backend;
  }

  location ~ ^(/assets) {
    access_log off;
    expires   max;
  }
}