How can deploy node.js application in openshift

Question

I created node.js project, with express and angularjs and mongodb. How can i deploy it to Openshift the project structure look like this

My user name for the openshift is admin password is X5900XJSLW4 db name is : topic

Now these are just fake , but they look like this. thanks

THIS WORK LOCALLY VERY FINE, BUT I GET Service Temporarily Unavailable @ http://topic-aggregator16.rhcloud.com/

error log found her https://github.com/chihabSD/TopicAggregator/blob/master/images/errorlog.png

I REALLY NEED THIS TO WORK ASAP

    config.db.mongo = {};
config.web.port = process.env.OPENSHIFT_NODEJS_PORT || process.env.PORT || process.env.WEB_PORT || 8080;
config.web.ip = process.env.OPENSHIFT_NODEJS_IP || process.env.IP;
config.db.mongo.url = process.env.OPENSHIFT_MONGODB_DB_URL || 'mongodb://localhost/topic';

Only the connection part, i am worried about, not thing else, and its working fine locally — Chihab Ahmed
– Chihab Ahmed, Commented Apr 9, 2016 at 20:56
I got waiting for connection " port 27017 and authnticate admin db, usin the rhc tail, any help — Chihab Ahmed
– Chihab Ahmed, Commented Apr 11, 2016 at 0:10
look @ the code again, i have just included the connection section, this is really taking so long. thank in advance My user name for the openshift is admin password is X5900XJSLW4 db name is : topic — Chihab Ahmed
– Chihab Ahmed, Commented Apr 11, 2016 at 0:11

atefth · Accepted Answer · 2016-04-11 09:29:06Z

5

To deploy an existing project into openshift you need to modify your package.json and server.json files:

package.json

Add the server.js file to the main key
Add a start script in the scripts key

"main": "server.js", "scripts": { "start": "node server.js", }

example

{
      "name": "to-do",
      "version": "1.0.0",
      "description": "Simple todo app",
      "main": "server.js",
      "scripts": {
           "start": "node server.js",
           "test": "echo \"Error: no test specified\" && exit 1"
       },
      "keywords": [
          "node",
          "angular"
      ],
      "dependencies" : {
          "express"    : "~4.7.2",
          "mongoose"   : "~3.6.2",
          "morgan"     : "~1.2.2",
          "body-parser": "~1.5.2",
          "method-override": "~2.1.2"
      },
      "author": "[email protected]",
      "license": "MIT"
}

server.js

Add dynamic port from the openshift env

Add dynamic IP from the openshift env

var server_port = process.env.OPENSHIFT_NODEJS_PORT || 8080;

var server_ip_address = process.env.OPENSHIFT_NODEJS_IP || '127.0.0.1';

app.listen(server_port, server_ip_address, function () {

    console.log( "Listening on " + server_ip_address + ", server_port " + server_port  );

});

Now you can use the rhc --from-code flag to deploy a project from existing code

rhc app create appName nodejs-0.10 -s --from-code=https://github.com/username/app.git

UPDATE

If you're using mongodb you need to update your server.js file

if(process.env.OPENSHIFT_MONGODB_DB_PASSWORD){
  connection_string = process.env.OPENSHIFT_MONGODB_DB_USERNAME + ":" +
  process.env.OPENSHIFT_MONGODB_DB_PASSWORD + "@" +
  process.env.OPENSHIFT_MONGODB_DB_HOST + ':' +
  process.env.OPENSHIFT_MONGODB_DB_PORT + '/' +
  process.env.OPENSHIFT_APP_NAME;
  config.db.mongo.url = connection_string;
}

Hope this helps.

edited Apr 11, 2016 at 9:29

answered Apr 9, 2016 at 14:42

atefth

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7 Comments

Chihab Ahmed Over a year ago

that what i have right now, i just dont understand the idea behind openshift , its working fine locally but i did pushed it to openshift, but i got service not available or something like that.

Chihab Ahmed Over a year ago

the server now, i listening to it via port 3000, do i delete that,with code you sent me, or leave as its.

Chihab Ahmed Over a year ago

i used your code, but i got waiting for connection @ port 21017 and authnticate admin db etc. i used rhc tail, to view error log, i also used the code supplied above, but no luck, my db as username, password, and its own name in openshift,and thats why i am facing trouble deploying it.

atefth Over a year ago

I see, you must be using mongodb, in that case can you please post your error logs? Use this command to grab your log - rhc tail -a myapp

Chihab Ahmed Over a year ago

here is the error log raw.githubusercontent.com/chihabSD/TopicAggregator/master/…

|

ʀɣαɳĵ · Accepted Answer · 2016-04-10 22:56:37Z

In general, OpenShift Online (V2) will publish connection information to your application using environment variables (https://developers.openshift.com/languages/nodejs/environment-variables.html#listen).

Your nodejs webservice will need to use this information to connect to OpenShift's load-balancers.

For this example code, you would need to change

config.web.port = process.env.PORT || process.env.WEB_PORT || 3000;
config.web.ip = process.env.IP;

to:

config.web.port = process.env.OPENSHIFT_NODEJS_PORT || process.env.PORT || process.env.WEB_PORT || 3000;
config.web.ip = process.env.OPENSHIFT_NODEJS_IP || process.env.IP;

For more information, see https://developers.openshift.com/languages/nodejs/environment-variables.html#listen

Npm modules cloud-env or config-multipaas may also be helpful if you prefer to stick with simpler, vendor-neutral application config strings (normalized to PORT and IP)

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