chore: update security patch of codebase.

chore: Update TODO and instruction list

instruction.md

@@ -0,0 +1,86 @@
+# AWS CLI, Session Manager & Database Access Guide
+
+## 1. Setup
+- Download **AWS CLI**
+- Download **AWS Session Manager Plugin**
+- Generate **Key for KCCB**
+
+---
+
+## Machine 
+```bash
+
+UAT (IB- frontend) : i-0b55435e15425f1c3
+Linux : i-0c850dcf8b85b1447
+```
+
+## 2. Port Forwarding
+
+### API (localhost → EC2:8080)
+```bash
+aws ssm start-session --target i-0c850dcf8b85b1447 --document-name --profile kccb AWS-StartPortForwardingSession --parameters "portNumber"=["8080"],"localPortNumber"=["8080"]
+```
+### PostgreSQL (localhost:5431 → EC2:5432)
+```bash
+aws ssm start-session --target i-0c850dcf8b85b1447 --document-name --profile kccb AWS-StartPortForwardingSession --parameters "portNumber"=["5432"],"localPortNumber"=["5431"]
+```
+### CBS (localhost → EC2:8686)
+
+```bash
+aws ssm start-session --target i-0c850dcf8b85b1447 --document-name --profile kccb AWS-StartPortForwardingSession --parameters "portNumber"=["8686"],"localPortNumber"=["8686"]
+```
+
+## Database Access
+
+```bash
+aws ssm start-session --target i-0c850dcf8b85b1447 --profile kccb
+```
+## 4.PostgreSQL Commands
+
+```bash
+# Connect as postgres
+psql -U postgres
+
+# List all databases
+\l
+
+# Connect to kmobile
+psql -U admin -d kmobile
+
+# Password: kmobile
+
+# Query data
+SELECT * FROM users;
+
+# Expanded display
+\x
+
+# See all tables
+\d
+
+# Table details
+\d users;
+
+# Switch database with specific user
+\c kmobile_banking kmobile_app_rw
+
+# Grant permissions
+grant select, insert, update, delete on table admin to kmobile_app_rw;
+```
+## 4. Linux Machine Access
+
+```bash
+# Run the .bat file first
+ssh username@localhost
+# Enter your password
+```
+## Copy File from Local → Linux
+
+```bash
+scp -P 9022 Smsservice/smsserviceapplication.jar <username>@localhost:/home/<username>
+
+# ssh nabanita@localhost -p 9022
+```
+
+
+