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nginx configuration:

user root admin;

worker_processes  1;

# pid of nginx master process
pid /var/run/nginx.pid;

events {

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Zero downtime deploys with unicorn + nginx + runit + rvm + chef

Below are the actual files we use in one of our latest production applications at Agora Games to achieve zero downtime deploys with unicorn. You've probably already read the GitHub blog post on Unicorn and would like to try zero downtime deploys for your application. I hope these files and notes help. I am happy to update these files or these notes if there are comments/questions. YMMV (of course).

Other application notes:

• Our application uses MongoDB, so we don't have database migrations to worry about as with MySQL or postgresql. That does not mean that we won't have to worry about issues with the database with indexes being built in MongoDB or what have you.
• We use capistrano for deployment.

Salient points for each file:

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#!/bin/bash
rows=%filltext:name=Rows:default=6%
columns=%filltext:name=Columns:default=4%
echo -n "|"
    for i in `seq 1 $columns`
    do
        echo -n -e "\t\t\t|"
    done
echo ""
echo -n "|"

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#普通命令提示符，在控制台下可以正常显示，如需使用取消注释，并把底部有关提示符的语句注释掉
##RPROMPT='%/'
#PROMPT='%{%}%n%{%}@%{%}%M %{%}%D %T  %{%}%/ 
#%{%}>>%{%}'


#关于历史纪录的配置
# number of lines kept in history
export HISTSIZE=10000
# # number of lines saved in the history after logout

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#!/bin/bash

# Stop boot2docker processes
boot2docker stop
boot2docker delete

# Remove boot2docker executable
sudo rm /usr/local/bin/boot2docker

# Remove boot2docker ISO and socket files

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# for golang
# mkdir $HOME/go
# mkdir -p $GOPATH/src/github.com/user
export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin

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var request = require('request');
var querystring = require('querystring');
var fs = require('fs');
var xml2js = require("xml2js");
var ent = require('ent');
var video_id = 'IgKWPdJWuBQ';
var quality = 'hd720'; // hd1080, hd720, large, highres (original)
Number.prototype.padLeft = function(n,str){
    return Array(n-String(this).length+1).join(str||'0')+this;
}

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#!/usr/bin/env python
# -*- coding: utf8 -*-

# based on xSoundCloud by Xartrick

import os
import sys
import urllib2

from urllib import urlretrieve

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#!/bin/sh
 
 
# Setup some variables needed for bootstrapping the environment
ROOT=/home/vrde/projectz/myproject
REPOS=${ROOT}/repos
 
export PYTHONPATH=${REPOS}
 
 

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# status bar
set-option -g status-utf8 on

set -g status-interval 1
set -g status-justify left # center align window list
set -g status-left-length 20
set -g status-right-length 140
set -g status-left '#[fg=green]#H #[fg=black]• #[fg=green,bright]#(uname -r | cut -c 1-6)#[default]'
set -g status-right '#[fg=green,bg=black,bright]#(tmux-mem-cpu-load 1) #[fg=red,dim]#(uptime | cut -f 4-5 -d " " | cut -f 1 -d ",") #[fg=white]%a%l:%M:%S %p#[default] #[fg=blue]%Y-%m-%d'