taskfile

IaC Packer — Machine Image Building + Markpact

Cały projekt Packer w jednym pliku README.md — wypakuj i uruchom przez Taskfile.

📋 Co to jest?

HashiCorp Packer do budowania obrazów maszyn (AMI, Docker, Vagrant boxes). Multi-provider, multi-environment, zintegrowane z taskfile.

Features covered

• dir — tasks run inside packer/ directory
• env_file — per-environment cloud credentials
• condition — provider-specific checks
• deps — validate before build
• Multi-builder — AMI + Docker + Vagrant

🎯 Workflow

# 1. Wypakowanie projektu
markpact README.md && cd sandbox

# 2. Init (download plugins)
taskfile run init

# 3. Validate
taskfile --env aws run validate

# 4. Build AMI
taskfile --env aws run build

# 5. Build Docker image
taskfile --env docker run build

# 6. Inspect
taskfile run inspect

🔧 Dostępne komendy

Komenda	Opis
taskfile run init	Initialize Packer plugins
taskfile run validate	Validate Packer templates
taskfile run build	Build machine image
taskfile run inspect	Inspect template variables
taskfile run fmt	Format HCL templates
taskfile run clean	Remove build artifacts

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Pliki projektu (markpact)

Taskfile.yml — konfiguracja tasków

```markpact:file path=Taskfile.yml version: “1” name: packer-images description: “Packer: multi-provider machine image building (AMI, Docker, Vagrant)”

variables: PACKER_DIR: packer TEMPLATE: main.pkr.hcl

environments: aws: env_file: .env.aws variables: BUILDER: amazon-ebs AWS_REGION: eu-west-1 SOURCE_AMI_FILTER: ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-* INSTANCE_TYPE: t3.micro

docker: env_file: .env.docker variables: BUILDER: docker BASE_IMAGE: ubuntu:22.04

vagrant: variables: BUILDER: vagrant BOX: ubuntu/jammy64

tasks:

init: desc: Initialize Packer plugins dir: ${PACKER_DIR} cmds: - packer init .

validate: desc: Validate Packer templates dir: ${PACKER_DIR} cmds: - packer validate -var “builder=${BUILDER}” .

build: desc: Build machine image dir: ${PACKER_DIR} deps: [validate] cmds: - packer build -var “builder=${BUILDER}” -force .

inspect: desc: Inspect template variables and builders dir: ${PACKER_DIR} cmds: - packer inspect .

fmt: desc: Format HCL templates dir: ${PACKER_DIR} cmds: - packer fmt -recursive .

clean: desc: Remove build artifacts dir: ${PACKER_DIR} cmds: - rm -rf output-* - rm -f manifest.json

### packer/main.pkr.hcl — Packer template

```markpact:file path=packer/main.pkr.hcl
packer {
  required_plugins {
    amazon = {
      source  = "github.com/hashicorp/amazon"
      version = "~> 1"
    }
    docker = {
      source  = "github.com/hashicorp/docker"
      version = "~> 1"
    }
  }
}

variable "builder" {
  type    = string
  default = "docker"
}

variable "base_image" {
  type    = string
  default = "ubuntu:22.04"
}

variable "aws_region" {
  type    = string
  default = "eu-west-1"
}

variable "instance_type" {
  type    = string
  default = "t3.micro"
}

source "docker" "ubuntu" {
  image  = var.base_image
  commit = true
  changes = [
    "EXPOSE 80 443",
    "CMD [\"/usr/sbin/nginx\", \"-g\", \"daemon off;\"]"
  ]
}

source "amazon-ebs" "ubuntu" {
  region        = var.aws_region
  instance_type = var.instance_type
  source_ami_filter {
    filters = {
      name                = "ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*"
      root-device-type    = "ebs"
      virtualization-type = "hvm"
    }
    owners      = ["099720109477"]
    most_recent = true
  }
  ssh_username = "ubuntu"
  ami_name     = "myapp-"
  tags = {
    Name        = "myapp"
    Environment = "packer-build"
    Builder     = "taskfile"
  }
}

build {
  sources = ["source.docker.ubuntu", "source.amazon-ebs.ubuntu"]

  provisioner "shell" {
    inline = [
      "apt-get update",
      "apt-get install -y nginx curl ca-certificates",
      "systemctl enable nginx || true"
    ]
  }

  post-processor "manifest" {
    output = "manifest.json"
  }
}

.env.aws

```markpact:file path=.env.aws AWS_PROFILE=packer AWS_DEFAULT_REGION=eu-west-1

### .env.docker

```markpact:file path=.env.docker
DOCKER_BUILDKIT=1

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📚 Dokumentacja

• Packer Docs
• Packer Builders

Licencja: MIT

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