AWS
Most Commonly Used Terms
EC2
- It stands for Elastic Compute version-2, compute referred to a part of a big machine.Elastic means we can upscale or downscale it. Basically a server running elsewhere.S3
- It is used to store objects, objects referred to things that doesn't have any Data type, such as Video file, audio file , image file etc.S3
stands for Simple storage Device.
3) CloudFront
- It is basically a Content Delivery Network[ CDN ] that is used to deliver the static content to the user faster.
Deplying Backend to the EC2 machine
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Learnings
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SSH
- It stands for secure shell. It helps you connect to the other machine shell securely.
//ssh using mac
chmod 700 xyz.pem
ssh -i xyz.pem ubuntu@your_server_url
//ssh using windows
//1) Download Git bash
//2) Run it as Administrator
//3) Go the folder where xyz.pem file is present
chmod 700 xyz.pem
ssh -i xyz.pem ubuntu@your_server_url
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using vi editor
- To use vi editor type
sudo vi /myfolder/index.js
// type 'i' for insert mode
// 'esc' to get back
// ':wq'+enter to save the file
To deploy the backend we primarily need EC2 server.
Suppose you want to deploy multiple application on save server due to some money issues.
It will look like this
your_url:3000 - for 1st website
your_url:3001 - for 2nd website
But there is a problem you don't want the user to enter the port & you also want that Different subdomain that lead to same ip will point to your_url
& at the server you decide where to redirect the user.
You can do this is using nginx, it is a webserver software that provides service called reverse-proxy
.
Default port is 80 for http
and for https it is 433
If we go to http:your_url
then it will point to port 80.
- For free SSL certificate - Certbot
Deplying Frontend
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To do so upload all the static files in S3 bucket, then use Cloudfront to deliver the content.
Why can't we use CDN in server also, in server side every request is unique that can only be handled by the server.
Initally after setting up cloudfront you will got a url , to access something u have do like this
https:your_url/index.html
.
BONUS
- You can have multiple subdomains after buying one domain.
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