AWS EC2 MongoDB instance setup script

Amazon EC2 Instance Details

Step 1: Choose an Amazon Machine Image (AMI)

		Ubuntu Server 16.04 LTS (HVM), SSD Volume Type - ami-a58d0dc5

Step 2: Choose an Instance Type
		
		Type - t2.small
Step 3: Configure Instance Details
		
		Enable termination protection - Enable

Step 4: Add Storage
		
		Size : 8GB
		Volume Type: General Purpose SSD(GP2)
		Delete on Termination = disable

Step 5: Add Tags
		
		Name : mongodb

Step 6: Configure Security Group
		
		Security Group Name : mongodb-security-group
		Security Group Rules:
		  - Type: http , Protocol: tcp, Port Range: 80, source: anywhere
		  - Type: Custom TCP Rule , Protocol: tcp, Port Range: 27017, source: anywhere
		  - Type: Custom TCP Rule , Protocol: tcp, Port Range: 28017, source: anywhere
		  - Type: SSH , Protocol: TCP, Port Range: 22, source: anywhere

Amazon EC2 Instance Connection

Use the pem used for instance creation

	$ ssh -i filename.pem ubuntu@hostip

Amazon EC2 Instance Configuration Details

Make sure all the packages and security packages are updated

	$ sudo apt-get update &&  sudo apt-get dist-upgrade -y
	$ sudo reboot

Configure MongoDB username and password

	$ mongo
	
	In mongoDB shell
	> use admin
	> db.createUser({user:"sanocare", pwd:"sanocare123", roles:[{role:"root", db:"admin"}]})

Enable mongodb authentication

Changes in service file "mongod.service"

	$ sudo nano /lib/systemd/system/mongod.service
	
	Before :
	--------
		
		ExecStart=/usr/bin/mongod --quiet --config /etc/mongod.conf

	After :
	-------

		ExecStart=/usr/bin/mongod --quiet --auth --config /etc/mongod.conf

Changes in mongodb config file "mongod.conf"

	$ sudo nano /etc/mongod.conf
	
	Before :
	--------
		
		bindIp : 127.0.0.1

	After : [Add the host ip addresses using the mongo instance ]
	-------


		bindIp: [127.0.0.1, ***************]

Amazon EC2 Instance Configuration Details

Make sure all the packages and security packages are updated

	$ sudo apt-get update &&  sudo apt-get dist-upgrade -y
	$ sudo reboot

MongoDB connection options details

	db_url: 'mongodb://[host ip address]:27017/sanocare',

 	 options: {
   		auth: {
      		authdb: 'admin'
  		},
    	server: {
      		socketOptions: {
        		keepAlive: 1
      		}
    	},
    	user: 'sanocare',
    	pass: 'sanocare123' // .env file can be used for password
	}