Add Terraform configuration for RDS and security group

rds

@@ -0,0 +1,51 @@
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+}
+
+provider "aws" {
+  region = var.aws_region
+}
+
+resource "aws_security_group" "rds_sg" {
+  name = "rds-security-group"
+
+  ingress {
+    description = "MySQL Access"
+    from_port   = 3306
+    to_port     = 3306
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+}
+
+resource "aws_db_instance" "mysql_rds" {
+  identifier             = "bharath-mysql-rds"
+  allocated_storage      = 20
+  storage_type           = "gp2"
+  engine                 = "mysql"
+  engine_version         = "8.0"
+  instance_class         = "db.t3.micro"
+  db_name                = "mydatabase"
+  username               = var.db_username
+  password               = var.db_password
+  parameter_group_name   = "default.mysql8.0"
+  publicly_accessible    = true
+  skip_final_snapshot    = true
+  vpc_security_group_ids = [aws_security_group.rds_sg.id]
+
+  tags = {
+    Name = "Terraform-RDS"
+  }
+}