Small aws module project deployed 3 env at same time (dev, stg, prod)

Author: Shouryabisht24

Terraform-module-app/infra/dynamodb.tf

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+resource "aws_dynamodb_table" "basic-dynamodb-table" {
+  name         = "${var.env}-dynamodb-table"
+  billing_mode = var.billing_mode
+  hash_key     = "LockId"
+  attribute {
+    name = "LockId"
+    type = "S"
+  }
+  tags = {
+    Name        = "${var.env}-table"
+    Environment = var.env
+  }
+}

Terraform-module-app/infra/ec2.tf

@@ -0,0 +1,70 @@
+resource "aws_key_pair" "key" {
+  key_name   = "${var.env}-my-key"
+  public_key = file("ssh-key.pub")
+}
+
+resource "aws_security_group" "my-sg" {
+  name        = "${var.env}-security-group"
+  description = "Allow SSH and HTTP traffic"
+  vpc_id      = aws_vpc.vpc-main.id
+
+  ingress {
+    description = "port 22 allow"
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    description = " allow all outgoing traffic "
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    description = "port 80 allow"
+    from_port   = 80
+    to_port     = 80
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    description = "port 443 allow"
+    from_port   = 443
+    to_port     = 443
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  tags = {
+    Name        = "mysecurity-sg"
+    environment = var.env
+  }
+}
+
+
+resource "aws_instance" "linux" {
+  count                       = 2
+  depends_on                  = [aws_security_group.my-sg]
+  ami                         = var.ami
+  instance_type               = var.instance_type
+  key_name                    = aws_key_pair.key.key_name
+  subnet_id                   = aws_subnet.subnet-1.id
+  vpc_security_group_ids      = [aws_security_group.my-sg.id]
+  associate_public_ip_address = true
+
+
+
+  tags = {
+    Name = "${var.env}-app-server-${count.index + 1}"
+  }
+
+  root_block_device {
+    volume_size = "20"
+    volume_type = "gp3"
+  }
+}

Terraform-module-app/infra/output.tf

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+output "ec2_instances_public_ips" {
+  value       = aws_instance.linux[*].public_ip
+  description = "Public IP addresses of the EC2 instances"
+}

Terraform-module-app/infra/s3.tf

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+resource "aws_s3_bucket" "my_s3_bucket2404" {
+  bucket = "${var.env}-bucket-2404"
+
+  tags = {
+    Name        = "${var.env}-bucket-2404"
+    Environment = var.env
+  }
+}

Terraform-module-app/infra/variable.tf

@@ -0,0 +1,21 @@
+variable "env" {
+  description = "Environment name"
+  type        = string
+}
+
+
+variable "billing_mode" {
+  description = "Billing mode for DynamoDB table"
+  default     = "PAY_PER_REQUEST"
+  type        = string
+}
+
+variable "instance_type" {
+  description = "value of the instance type"
+  type        = string
+}
+
+variable "ami" {
+  description = "value of the ami"
+  type        = string
+}

Terraform-module-app/infra/vpc.tf

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+resource "aws_vpc" "vpc-main" {
+  cidr_block           = "10.0.0.0/16"
+  instance_tenancy     = "default"
+  enable_dns_hostnames = true
+  enable_dns_support   = true
+  tags = {
+    Name = "${var.env}-vpc"
+  }
+}
+
+resource "aws_subnet" "subnet-1" {
+  vpc_id                  = aws_vpc.vpc-main.id
+  cidr_block              = "10.0.1.0/24"
+  availability_zone       = "us-west-2a"
+  map_public_ip_on_launch = true
+
+  tags = {
+    Name = "${var.env}-subnet-1"
+  }
+}
+
+resource "aws_internet_gateway" "inw" {
+  vpc_id = aws_vpc.vpc-main.id
+
+  tags = {
+    Name = "${var.env}-inw"
+  }
+}
+
+resource "aws_route_table" "rt" {
+  vpc_id = aws_vpc.vpc-main.id
+
+  route {
+    cidr_block = "0.0.0.0/0"
+    gateway_id = aws_internet_gateway.inw.id
+  }
+
+  tags = {
+    Name = "${var.env}-rt"
+  }
+}
+
+resource "aws_route_table_association" "rta" {
+  subnet_id      = aws_subnet.subnet-1.id
+  route_table_id = aws_route_table.rt.id
+}
+

Terraform-module-app/main.tf

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+# dev 
+
+module "dev-app" {
+  source        = "./infra"
+  env           = "dev"
+  instance_type = "t3.micro"
+  ami           = "ami-0320940581663281e"
+}
+
+#prd
+module "prd-app" {
+  source        = "./infra"
+  env           = "prd"
+  instance_type = "c7i-flex.large"
+  ami           = "ami-0320940581663281e"
+}
+
+#stg
+module "stg-app" {
+  source        = "./infra"
+  env           = "stg"
+  instance_type = "t3.small"
+  ami           = "ami-0320940581663281e"
+
+}
+output "dev_app_public_ips" {
+  value       = module.dev-app.ec2_instances_public_ips
+  description = "Public IPs of the dev environment EC2 instances"
+}
+
+output "prd_app_public_ips" {
+  value       = module.prd-app.ec2_instances_public_ips
+  description = "Public IPs of the prd environment EC2 instances"
+}
+
+output "stg_app_public_ips" {
+  value       = module.stg-app.ec2_instances_public_ips
+  description = "Public IPs of the stg environment EC2 instances"
+}

Terraform-module-app/terraform.tf

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+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "6.32.1"
+    }
+  }
+}
+
+provider "aws" {
+  region = "us-west-2"
+}