Learn PACKER with Real Code Examples

# packer/demo/ubuntu-ami.pkr.hcl
packer {
    required_plugins {
        amazon = {
        source = "hashicorp/amazon"
        version = "~> 1.0"
        }
    }
}

source "amazon-ebs" "ubuntu" {
    ami_name = "packer-example-{{timestamp}}"
    instance_type = "t2.micro"
    region = "us-east-1"
    source_ami_filter {
        filters = { name = "ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-*", virtualization-type = "hvm" }
        owners = ["099720109477"]
        most_recent = true
    }
}

build {
    sources = ["source.amazon-ebs.ubuntu"]
    provisioner "shell" {
        inline = [
        "sudo apt-get update",
        "sudo apt-get install -y nginx"
        ]
    }
}

A simple Packer HCL template to create an Ubuntu AWS AMI with Nginx installed.