How to create a RDS (AWS) MySQL - Database using Terraform

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terraform {
  required_providers {
    aws = {
      source  = "hashicorp/aws"
    }
  }
}

provider "aws" {
  profile = "default"
  region  = "eu-central-1"
}

resource "aws_db_instance" "itinfrasoldb" {
  allocated_storage = 20
  engine = "mysql"
  engine_version = "5.7"
  instance_class = "db.t2.micro"
  name = var.db_name
  username = "admin"
  password = var.db_password
  parameter_group_name = "default.mysql5.7"
}

variable "db_name" {
  type = string
}

variable "db_password" {
  type = string
  sensitive = true  
}

db_name = "itinfrasolmysqldb"

db_password = "test123456"

terraform init

terraform plan --var-file=secrets.tfvars

terraform apply --var-file=secrets.tfvars