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Cover image for Complete Setup for Deploying Nodejs App with mongodb database on Amazon ec2

Sunil More

Sunil More

Posted on • Updated on

Complete Setup for Deploying Nodejs App with mongodb database on Amazon ec2

Intro

There are many means to run the server and there are plenty of cloud platform option available in the market. Only most famous cloud platform is Amazon Ec2. Then this article intends to requite total guidance to setup NodeJs App(eg. ExpressJs) on Amazon EC2.

These are the steps

  1. Launch a new ec2 instance from Amazon Web Service.
  2. Setup SSH Connection to connect ec2 instance
  3. Install Nodejs using nvm
  4. Install MongoDB database
  5. Setup Nodejs (Limited) App

Step 1 # create a new ec2 instance from Amazon Web Service.

To create a new instance, you should accept an active business relationship on AWS.Afterward logging to Aws

select an ec2 pick from Services

And so click on Launch Instance push button after that you lot'll land to below page.

And so select one paradigm from list of options. Please select an image co-ordinate to your requirement and whichever is suitable for you. And then in my example I'll select Amazon Linux.

Note: Afterwards that maybe some installation command not piece of work if you lot select an image other than Amazon Linux ,Centos.

Next Choose case type, Allow's choose t2.micro which is eligible for the complimentary tier, then if your account is less than 12 months old you can run your server for gratis. Thanks to Amazon!

Side by side Configure case details, this is more complicated pace but we can ignore this for now.

Next Add storage, Default size is 8 Gb but you tin update size co-ordinate to your requirement , only for now 8gb is enough

Next Add together Tags, add central-value pair for example, simply for now we'll skip this footstep .Tags is useful if you more example it's improve to search by Tag

Next Configure Security Group,In my opinion this steps is more important ,Where we inbound(betrayal our server port) and outbound(restrict to access other server)

In our case , to connect ec2 instance wee need open ssh port 22 and to admission our site publicly we need expose http port 80 (when y'all visit whatsoever website by default it connect to port 80 )with selecting selection anywhere for source

Inbound and Outbond Source

  1. Anywhere from anywhere we can access this port
  2. Custom only provided IP access this port
  3. My IP only access this port within same server

But you can expose any port according to your requirement , such as for ftp open port 21, for https open port 443

Next Click review and launch, so you'll see options selected in all steps

Side by side Click on Launch, and so information technology'll ask to create new fundamental pair , which will used to connect our server using ssh with this central.

Download this fundamental pair, and click on Launch

Step two# Setup ssh connection to connect EC2 instance

Later on creating case , Go to that instance. In this page at that place is connect button click on that connect button then yous'll see this modal

And so follow the steps which you'll meet when you open up a modal.

Steps :

            > chmod 400 <pem file path>   > ssh -i <pem file path> <user>@<public DNS>

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eg. ssh -i "sunilaws.pem" ec2-user@ec2-54-218-8-133.united states-westward-2.compute.amazonaws.com

Note: In my case, user for my ec2 server is ec2-user considering I've selected Amazon Linux Prototype.So In your instance user will exist different if you take selected an Amazon Machine Prototype other than Amazon Linux. Hither is the list of al default user for Amazon Paradigm . See here

Step 3# Install Node Js on ec2 instance

To set Node.js on your Linux case

  1. Connect to your Linux instance as ec2-user using SSH.
  2. Install the current version of node version manager (nvm) by typing the following at the command line to install version 33.eight.

curl -o- [https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh](https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh) | bash

Nosotros will apply nvm to install Node.js because nvm can install multiple versions of Node.js and allow you to switch betwixt them. See the nvm repo on GitHubfor the electric current version to install.

  1. Activate nvm past typing the post-obit at the command line.

. ~/.nvm/nvm.sh

  1. Utilize nvm to install the version of Node.js you intend to employ by typing the post-obit at the command line.

nvm install seven.9.0

  1. Test that Node.js is installed and running correctly by typing the following at the control line.

    node -eastward "console.log('Running Node.js ' + process.version)"

This should display the following bulletin that confirms the installed version of Node.js running.

Running Node.js v7.9.0

For more than info, click on this link

Step 4# Install Mongodb on ec2 case

Nosotros've selected Amazon Image , nosotros'll install mongodb using yum control

Steps :

  1. Configure the parcel management Arrangement(yum) Create a /etc/yum.repos.d/mongodb-org-3.six.repo file so that y'all tin can install MongoDB direct, using yum. Use the post-obit repository file: 
            **[mongodb-org-3.6]**   name=MongoDB Repository   baseurl=https://repo.mongodb.org/yum/amazon/2013.03/mongodb-org/3.6/x86_64/   gpgcheck=i   enabled=i   gpgkey=https://www.mongodb.org/static/pgp/server-iii.six.asc

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  1. Install the mongodb package

    sudo yum install -y mongodb-org

  2. Start mongodb server

    sudo service mongod start

  3. Cheque mongodb server started past running below command

    mongo

For more info , Delight got to this link

Footstep v # Setup up Nodejs App(Limited)

In this step, we're going to setup a new sample express app with mongodb connection using mongodb client library*.

**According to your requirement, yous can apply whatever mongo library available in npm, such as mongoose

, [ mongojs*](https://www.npmjs.com/parcel/mongojs) etc.

Offset connect to your ec2 instance using command provided in Step 1

ssh -i <pem file path> <user>@<public DNS>

Then

            mkdir SampleExpressApp   npm init

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Create new file app.js with following code 

            var express = crave("limited");   var app = limited();   var MongoClient = crave("mongodb").MongoClient;    app.get("/", function(req, res) {     res.send("Hello World!");   });    app.become("/users", function() {     MongoClient.connect("mongodb://localhost:27017/exam", function(err, db) {       if (err) next       db         .collection("users")         .observe()         .toArray(function(err, issue) {           if (err) throw err;            res.json(result)         });     });   });  app.listen(3000,part(){       console.log('Express app beginning on port 3000')   });

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Then install mongodb & express dependancy

            npm install mongodb --save   npm install express --relieve

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Then start server

node app.js

Now Express App start on port 3000

Then open below url in browser

http://<your public DNS>:3000

But if you close this concluding or if you lot perform Ctrl+C server will stop.

Install forever globally using npm

npm install -thousand forever

Start server using forever

forever start app.js

To encounter list of forever procedure

forever listing

To meet Express Server logs

tail -f <logfile path>

If you want to store logs in predefined file, and so start server with following control

forever start app.js -fifty /path/to/log/file

To access this server publicly, you've to open up port 3000 from security grouping by adding into inbound rule, equally we open port in Step1

Later opening 3000 port publicly , hit beneath url

http://<your pblic DNs>:3000
eg. http://ec2-0-0-0-0.us-west-two.compute.amazonaws.com:3000

But To access your app on public domain (port 80) you lot've to forward port lxxx to 3000.

We've two way to forward port 3000 to 80, you can choose any one. But I'll prefer to to select option of nginx

  1. iptables
  2. nginx

iptables 

            iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPTiptables -A INPUT -i eth0 -p tcp --dport 3000 -j ACCEPTiptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3000

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nginx

Install nginx

            sudo yum install nginx -y  Start nginx Server  sudo service nginx outset

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To meet nginx started , Enter your public DNS URL in browser

Next pace , To forward port 3000 to 80

Edit beneath nginx configuration file

six /etc/nginx/nginx.config

And change beneath code

            location / {       root html;       alphabetize index.html index.htm;   }

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with following one

            location / {       proxy_set_header  X-Existent-IP  $remote_addr;       proxy_set_header  Host       $http_host;       proxy_pass        [http://127.0.0.ane:3000;](http://127.0.0.one:3000;/)     }

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Restart nginx for the new config to accept effect.

Now visit your server'southward public DNS URL, It should show "hello discussion" in response rather than nginx welcome page

If still not working, then check nginx.config file including another configuration file

solomonleold1941.blogspot.com

Source: https://dev.to/sunilmore690/complete-setup-for-deploying-nodejs-app-with-mongodb-database-on-amazon-ec2-3plj

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