Suhail DevOps

script.sh

Steps for Deployment WebApp / Websites 

1.Make sure you have webapp or website is working good at local
2.make a GitHub repo and push the code to GitHub without node_modules
3.Changes in GitHub Repo
- Add Description 
- Add URL
- Add Keywords
- Add README.md 

4. Purchase a domain from (compare which is less)
- Namecheap
- Hostinger
- GoDaddy
- BigRock 

5. Purchase a Cloud Service from a Cloud Platform 

- AWS
- GCP
- Azure
- Digital Ocean



6.Create a Account and Make payment setup in your Cloud Platform

7.Open Digital Ocean 

- Login in your Digital Ocean
- Things which are important us are 
- Droplets, Networking, Billing
- Select Droplets ==> Create Droplets (Linux Based Virtual Cloud Server)
- Select Region as Bangalore
- Choose an Image as Ubuntu
- Latest Version
- Choose Size
- Shared CPU ==> Basic ==> Intel Premium
Select per/month 
Example $16/mo
- Choose Authentication Method 
select password and create root password
Example : meraj2006Fatima

Select Check Mark : Add improved metrics monitoring and alerting (free)


Quantity : 1
Hostname : meraj or omer or ismail or muzzamil or Sneha

- Then click on Create Droplet

- It will create new droplet for us with a Public IP 

- Note it down and remember it : 157.245.100.213


8. Click on Droplets 
- Select droplet and click on more
- Select Access Console
- Launch Droplet Console

9. It will open tab based terminal

10. Enter these command 
sudo apt update && sudo apt upgrade

- change suhail to your username as: suhail,omer,sneha

sudo adduser suhail
sudo chown suhail:suhail /home/suhail 
nano /etc/sudoers
Then add the user below admin user like below syntax.
suhail ALL=(ALL)  ALL
usermod -a -G sudo suhail
su suhail
cd

11. SSH Key Setup
cd
ssh-keygen -t ed25519 -C "[email protected]"
Enter 4 Times 
cd .ssh
cat id_ed25519.pub
copy the whole content of public and paste in
GitHub ==> Settings ==> SSH & GPG Keys ==> New SSH Keys 

Paste the key in Key Section and Save it 
//In Terminal

cd
git config --global user.name "merajfatima"
git config --global user.email "[email protected]"


//To Verify : git config --list 

// Clone Any Repo from your Profilr

cd
git clone ssh-url
Enter : yes 



12. Connect Cloud to Terminal Preview

- Open WSL
- cd .ssh
- cat id_ed25519.pub
- Copy the content of public key 


// Windows
- C:\Users\suhai\.ssh
- If no .ssh
- open cmd 
- ssh-keygen -t ed25519 -C "[email protected]"
- Enter 4 Times
- cd .ssh
- type id_ed25519.pub
- Copy Public key and paste in authorized_keys of cloud

// Cloud 

- cd
- cd .ssh
- touch authorized_keys
- nano  authorized_keys
- paste the public key of wsl and Ctrl + O , Enter and Ctrl + X

// Open Terminal Preview 
- Click on Top DropDown 
- Settings ==> Scroll Down ==> Add a new Profile 
- Select Ubuntu and Click on Duplicate
- Give Name as Cloud Sever 
- ssh [email protected]

- Change the setting and click on save
- Open Terminal dropdown and select Cloud Server
- Enter Yes
- You will cloud server 


13. Default Packages 
sudo apt install -y git
sudo apt install -y net-tools
sudo timedatectl set-timezone Asia/Kolkata
sudo apt-get install -y nginx
sudo apt install -y snapd
sudo snap install core
sudo apt-get install -y python3-certbot-nginx
sudo snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/
sudo apt install -y python3-pip
sudo apt-get autoremove -y
sudo apt full-upgrade -y
sudo apt install -y gcc
sudo apt install -y unzip
sudo apt install -y build-essential
sudo apt-get install -y manpages-dev


14. Node JS Install
1.Open Nodejs website 
2. Click on Top Downloads (LTS ==> Linux ==> NVM ==> NPM )
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
Close and Reopen The Terminal

nvm install 22
node -v
npm -v

15.Project Clone & Nginx Setup
1. Make sure your project is pushed in GitHub
2. open cloud and type
3 cd
4. git clone ssh-url
5. install npm i for server

For Nodemon : npm i -g nodemon 


16.Domain Add Using Script

1. Open Digital Ocean
2. Open Networking
3. Add Domains
4. Add Your Domain
5. Get your NS Records 
-----------------
Add 2 A Records of your domains
www and @ ==> Cloud IP
-----------------

4) get your NS Records
5) Take your cloud NS and Add it in Domain DNS Settings
6) Check your NS Records get updated in dnschecker.org


18. Nginx Setup
0. sudo su 
1. cd /etc/nginx/sites-enabled/
2. sudo rm -rf *

3. cd /etc/nginx/sites-available
4. sudo touch domains

5. sudo ln -s /etc/nginx/sites-available/domains /etc/nginx/sites-enabled

---------
5.1  Visit nginx.suhail.app
5.2  add your domain with www 
example :- suhail.com www.suhail.com
and  add your port and click on get config
5.3  copy the config and paste in
5.4  sudo nano /etc/nginx/sites-available/domains
5.5. paste it there and check it by
5.6. sudo nginx -t
5.7  sudo systemctl restart nginx


----------------------------------
19. Project Server Starting

1. cd repoName
2. cd server
3. make sure you have nodemon and pm2 
if not

Command : npm i -g nodemon pm2 
4. first check from npm start 
if everything is working fine
5. then type 
Command : pm2 start app.js --name "App Name : PORT"

Commands List
pm2 restart all
pm2 delete id
pm2 restart id
pm2 logs id 
pm2 logs