Thursday, April 24, 2025

Monolithic Web Application

Monolithic web project AWS

Class 11th Worked on Monolithic Web-application

Requirement: Create a simple monolithic web application using python further i will converted it into 3 tier architecture

Require Sign-up and Sign-in pages and signup page  (Name,Mobilenumber,password and user image should be taken,data will be stored in my sql database image should be stored in the same root folder.

Tech stack:

Backend: Python(Flask for simplicity)

Frontend: HTML/CSS(basic forms)

Database: Mysql

Image storage: Stored in the root static/images/ folder of the project 

Step1:Create one Windows VM


Step2:After Launch completed ,need attached security key using below navigation
Step3:Upload private key pair which you downloaded and then click Decrypt Password,it will generate the password connect VM ware
Step4:Below password generated ,this auto generated Privatekey and public key combination generate password

Step5:Follow below chatgpt 
https://chatgpt.com/share/680a6197-31c0-8008-bd19-b051a105a25b
Step6: Search Google test Python install window click below url while download No thank just download 
Installation steps:
While installation choose Full (Workbench is required that is database editor)
After Click Next, Next
Given Password Root password 
Click Next, Next 
Click Execute
Click Finish and Cancelled 

Step7:Go window enter Mysql work beach ,it uses for query sql editor table access
After installation remove default instance connection which there
select and Delete existing root connection select delete connection, Need to give connection manually 

Given your root/password connection test connection and then click ok
Step8:Above icon Create schema click apply, apply Finish
Step9: Select schema tab below ,create tables

Step10: Need to create below Folders in  VM C:\
OnlineLibrary/
├── app.py                         # Main Flask application
├── config.py                      # DB config and connection settings
├── requirements.txt               # Python dependencies
├── templates/                     # HTML templates
│   ├── signup.html
│   ├── signin.html
│   └── welcome.html
├── static/                        # Static files (CSS, images, JS)
│   ├── css/
│   │   └── style.css              # Your custom styling
│   └── images/                    # Uploaded user images

 Change below Config file

Step11:Python need to install ,Google text search Python install window 11
  
Step12:
requirements.txt
Flask
Flask-MySQLdb
Werkzeug
Step13:After completion required flash installation, need execute final step phyton script run 
We can copy the files or file text to your files using below url
https://drive.google.com/drive/folders/1UU3FBE2QjRdsb9KuvNfigkm6JAVKSzBa?usp=drive_link

Step14:After execute below, click url ctl or else copy the url past to the browser 

Step15:Login page came successfully

Step16:Click signup Give your details and click signup,

Step17:Afer you signup, get message Registration successful please login and check once 
you need check in database data inserted or not ,you see below records inserted


 Step18: Login once with your credentials 

Our Project Gobal accessing 

Step1: Need to execute some commands in the project folder 
python -m venv venv 
venv\Scripts\activate
pip install waitress


Step2:Allow Access in Firewall  Open Windows Defender Firewall ➜ Inbound Rules ➜ Add a New Rule :Type: Port,Port: 5000,Allow connection,Apply to Domain, Private, Public 
Name: Flask Web App (Name as you wish) , I have given 5000 ip


Step3: After port added in the firewall ,execute the python app.py  command again ,now it is  start started

Step4:Now Access your application Globally with our public ip and port number ,while you create VM Public IP accessed for that ,take that ip entension with port number 

You see below sign in page successfully
 
Step5:After login with old user ,login successfully
Step6:Now you signup new user ,with details click signup
 

Step7:Registered successfully getting screen below

Step8:Check once Mysql table level data stored or not for new user 
  
You see above new regarding inserted successfully, this is the way Monolithic Simple project build

Monolithic Architecture: Everything Frontend (UI) ,Back-end(logic),Database Access  is combined into one big application called monolithic.

We have Three Layer of approach
 1.Presentation Layer ->Frontend(HTML/CSS/Javascript)
 2.Application Layer ->Backend (Python Flask APIs)
 3.Data Layer ->Database (Mysql) 


                          --Thanks






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