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wiki:ai:bicep-terraform-comparison [2025/06/11 14:20] – ddehamerwiki:ai:bicep-terraform-comparison [2025/06/11 14:31] (current) – ddehamer
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 ====== Bicep Terraform Comparison ====== ====== Bicep Terraform Comparison ======
 +
 +===== Conclusion =====
  
 I worked on two scripts, both doing the same thing, one in Bicep and one in Terraform. I worked on two scripts, both doing the same thing, one in Bicep and one in Terraform.
  
-They both produced the exact same results.  The biggest difference in the process is that bicep is more integrated with the Azure command line and needs fewer commands to get the same thing done.+They both produced the exact same results.  The biggest difference in the process is that bicep is more integrated with the Azure command line and needs fewer commands to get the same thing done.  Terraform is easier to read through as Json is not the greatest for code review, although it's not difficult.  Terraform is also better suited for multi-cloud support.
  
 I was able to deploy the below main.bicep in one command: I was able to deploy the below main.bicep in one command:
Line 17: Line 19:
 terraform apply terraform apply
 </code> </code>
 +
 +===== Bicep Code =====
  
 main.bicep main.bicep
Line 312: Line 316:
 } }
 </code> </code>
 +
 +===== Terraform Code =====
  
 main.tf main.tf
Line 498: Line 504:
 EOF EOF
   )   )
 +}
 +</code>
 +
 +===== AWS Comparison =====
 +
 +Bonus to show how similar AWS and Azure are with Terraform:
 +
 +==== AWS Terraform ====
 +
 +main_aws.tf
 +<code>
 +provider "aws" {
 +  region = "us-east-1"
 +}
 +
 +variable "vpc_cidr" {
 +  default = "10.0.0.0/16"
 +}
 +
 +variable "subnet1_cidr" {
 +  default = "10.0.0.0/24"
 +}
 +
 +variable "subnet2_cidr" {
 +  default = "10.0.1.0/24"
 +}
 +
 +resource "aws_vpc" "main" {
 +  cidr_block = var.vpc_cidr
 +  tags = {
 +    Name = "main-vpc"
 +  }
 +}
 +
 +resource "aws_subnet" "subnet1" {
 +  vpc_id     = aws_vpc.main.id
 +  cidr_block = var.subnet1_cidr
 +  availability_zone = "us-east-1a"
 +  tags = {
 +    Name = "subnet-1"
 +  }
 +}
 +
 +resource "aws_subnet" "subnet2" {
 +  vpc_id     = aws_vpc.main.id
 +  cidr_block = var.subnet2_cidr
 +  availability_zone = "us-east-1b"
 +  tags = {
 +    Name = "subnet-2"
 +  }
 +}
 +
 +resource "aws_internet_gateway" "gw" {
 +  vpc_id = aws_vpc.main.id
 +}
 +
 +resource "aws_route_table" "rt" {
 +  vpc_id = aws_vpc.main.id
 +
 +  route {
 +    cidr_block = "0.0.0.0/0"
 +    gateway_id = aws_internet_gateway.gw.id
 +  }
 +}
 +
 +resource "aws_route_table_association" "a1" {
 +  subnet_id      = aws_subnet.subnet1.id
 +  route_table_id = aws_route_table.rt.id
 +}
 +
 +resource "aws_route_table_association" "a2" {
 +  subnet_id      = aws_subnet.subnet2.id
 +  route_table_id = aws_route_table.rt.id
 +}
 +
 +resource "aws_security_group" "web_sg" {
 +  name        = "web-sg"
 +  description = "Allow SSH and HTTP"
 +  vpc_id      = aws_vpc.main.id
 +
 +  ingress {
 +    from_port   = 22
 +    to_port     = 22
 +    protocol    = "tcp"
 +    cidr_blocks = ["0.0.0.0/0"]
 +  }
 +
 +  ingress {
 +    from_port   = 80
 +    to_port     = 80
 +    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_instance" "vm1" {
 +  ami                         = "ami-xxxxxxxxxxxxxxxxx" # Replace with valid Ubuntu AMI
 +  instance_type               = "t2.micro"
 +  subnet_id                   = aws_subnet.subnet1.id
 +  vpc_security_group_ids      = [aws_security_group.web_sg.id]
 +  key_name                    = "my-key" # Replace with your key pair name
 +  associate_public_ip_address = true
 +
 +  user_data = <<-EOF
 +              #!/bin/bash
 +              apt update
 +              apt install -y apache2
 +              systemctl enable apache2
 +              systemctl start apache2
 +              EOF
 +
 +  tags = {
 +    Name = "vm1"
 +  }
 +}
 +
 +resource "aws_instance" "vm2" {
 +  ami                         = "ami-xxxxxxxxxxxxxxxxx" # Replace with valid Ubuntu AMI
 +  instance_type               = "t2.micro"
 +  subnet_id                   = aws_subnet.subnet2.id
 +  vpc_security_group_ids      = [aws_security_group.web_sg.id]
 +  key_name                    = "my-key" # Replace with your key pair name
 +  associate_public_ip_address = true
 +
 +  user_data = <<-EOF
 +              #!/bin/bash
 +              apt update
 +              apt install -y apache2
 +              systemctl enable apache2
 +              systemctl start apache2
 +              EOF
 +
 +  tags = {
 +    Name = "vm2"
 +  }
 } }
 </code> </code>
wiki/ai/bicep-terraform-comparison.1749651613.txt.gz · Last modified: by ddehamer

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