Auto deploy from Bitbucket or any other git repository
2018-03-01

Auto deploy from Bitbucket or any other git repository

bitbucket nodejs git

Update aptitude first

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$ sudo apt-get update

Install expect

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$ sudo apt-get install expect

Create a directory named trigger in your home directory

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$ cd
$ mkdir trigger
$ cd trigger

Create following files inside the trigger directory.
trigger.js

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$ cat trigger.js
var server_port = <new_port_for_trigger>;

var sys = require('sys');
var exec = require('child_process').exec;
var child;

var http = require('http');
var express = require('express');
var app = express();
var server_get = require('http').Server(app);

app.post('/update', function(req, res) {
	child = exec("./update_repo.sh", function(error, stdout, stderr) {
				console.log('stdout: ' + stdout);
				console.log('stderr: ' + stderr);
				if (error !== null) {
					console.log('exec error: ' + error);
				}
	});

	res.send("SUCCESS");
});

app.listen(server_port, function() {
    console.log('Example app listening on port ' + server_port);
}

package.json

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$ cat package.json
{
	"name": "Trigger",
	"version": "0.0.1",
	"scripts": {
		"start": "node server"
	},
	"dependencies": {
		"express": "^4.14.0",
		"http": "0.0.0",
		"https": "^1.0.0"
	}
}

update_repo.sh

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$ cat update_repo.sh
#!/bin/bash
cd <your_git_repo>
~/trigger/git_pull_helper.sh
pm2 restart server

git_pull_helper.sh

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$ cat git_pull_helper.sh
#!/usr/bin/expect -f
spawn git pull
expect "ass"
send "<your_ssh_key_pass_phrase>\r"
interact

Update permission for update_repo.sh and git_pull_helper.sh

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$ chmod +x update_repo.sh
$ chmod +x git_pull_helper.sh

Start your trigger NodeJS server

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$ pm2 start trigger.js

  • Configure you nginx if you are using one
  • Don’t forget to enable firewall to allow the new port

Update in bitbucket

  • Got Settings
  • Select Webhooks in Workflow section
  • Click Add webhook button
  • Give name
  • Enter your url as *<your_domain_name>.<ext>:<your_port_for_trigger>/update*
  • Press save button

Or follow the steps provided by your git server.