Packer Console: Inspect and Debug Template Variables
Packer's templating system is surprisingly powerful, but its debugging story is often about piecing together cryptic output rather than a clear "aha.
Packer Articles
49 articles
Packer Debug Mode: Step Through Builds Interactively
Packer's debug mode is less about seeing what Packer is doing and more about telling it what to do while it's doing it, turning a black box into an inte.
Packer Docker: Build Container Images with Packer
Packer's Docker builder doesn't actually "build" a container image in the way you might expect; it uses Docker itself to build it for you.
Packer GCP: Build Google Compute Engine Images
Building Google Compute Engine images with Packer is surprisingly complex because the "image" isn't just a disk image; it's a full-fledged resource with.
Packer Getting Started: Build Your First Machine Image
The most surprising thing about building machine images is how much of your infrastructure's future stability and deployment speed is decided in these e.
Packer in GitHub Actions: Automate Image Builds
Packer in GitHub Actions doesn't just automate image builds; it turns your CI system into a full-fledged image factory, capable of producing identical, .
Packer in GitLab CI: Build Images in Pipelines
Packer in GitLab CI lets you build machine images repeatedly, but its real magic is how it enforces infrastructure consistency across your entire develo.
Packer Golden Images: Immutable Infrastructure Pipeline
Packer doesn't build immutable infrastructure; it enables it by creating versioned, identical artifacts that are never modified after creation.
Packer CIS Hardening: Build Security-Compliant Images
Packer's CIS hardening isn't about applying CIS benchmarks to an existing system; it's about building images that start compliant.
Packer HCL2: Write Templates with Modern Syntax
Packer HCL2: Write Templates with Modern Syntax — practical guide covering packer setup, configuration, and troubleshooting with real-world examples.
Packer HCP Registry: Manage Images in HashiCorp Cloud
HashiCorp Packer can publish images to the HashiCorp Cloud Platform HCP Registry, but it's not a direct push like docker push.
Packer IAM Profile: Least-Privilege Build Permissions
Packer's IAM profile for building images needs just enough access to create resources, and no more, to prevent your build infrastructure from becoming a.
Packer HCL Migration: Convert JSON Templates to HCL2
Packer's HCL2 syntax is a significant improvement over its older JSON templates, offering better readability, reusability, and a more intuitive way to d.
Packer Locals and Data Sources: Reuse Template Values
Packer's locals and data blocks let you avoid repeating yourself, but their power comes from understanding how Packer resolves them at different stages .
Packer Version Constraints: Enforce Minimum Versions
Your Packer builds are failing because older plugins are being used, and those plugins don't understand the newer features you're trying to leverage.
Packer Multi-Cloud: Build Images for AWS, Azure, GCP
Building images for multiple clouds simultaneously with Packer isn't just about convenience; it's about realizing that the "immutable infrastructure" dr.
Packer Parallel Builds: Multiple Builders at Once
Packer can build multiple images simultaneously, but it's not as simple as just throwing more builders at it — the real trick is understanding how Packe.
Packer Plugin Development: Write Custom Builders
Packer's plugin system lets you extend its core functionality, and building a custom builder is how you make Packer provision infrastructure on a platfo.
Packer Plugins: Install and Manage Third-Party Plugins
Packer plugins aren't just extensions; they're fully integrated components that can fundamentally alter Packer's behavior, often in ways that are more d.
Packer Checksum Post-Processor: Verify Image Integrity
Packer's checksum post-processor doesn't just generate checksums; it actively uses them to prove your artifact is exactly what it's supposed to be, prev.
Packer Manifest: Record Build Outputs as JSON
Packer Manifest: Record Build Outputs as JSON — practical guide covering packer setup, configuration, and troubleshooting with real-world examples.
Packer + Ansible: Provision Images with Playbooks
Packer and Ansible are a powerful duo for automating image creation, but the real magic happens when you realize that the image you're building is essen.
Packer + Chef: Provision Images with Chef Recipes
Packer + Chef: Provision Images with Chef Recipes — practical guide covering packer setup, configuration, and troubleshooting with real-world examples.
Packer File Provisioner: Upload Files to Images
Packer's file provisioner can copy local files into your image during the build process, but it's surprisingly tricky to get right because it operates w.
Packer + Puppet: Provision Images with Puppet Manifests
Packer, the golden child of image building, and Puppet, the old guard of configuration management, can be a surprisingly potent, if sometimes prickly, c.
Packer Shell Provisioner: Run Scripts During Builds
Packer Shell Provisioner: Run Scripts During Builds — practical guide covering packer setup, configuration, and troubleshooting with real-world examples.
Packer Retry on Error: Handle Transient Build Failures
Packer is silently eating your build failures, masking the real issues. The problem is that Packer's onerror directive, when set to retry, doesn't just .
Packer Sensitive Variables: Mask Secrets in Builds
Packer Sensitive Variables: Mask Secrets in Builds — practical guide covering packer setup, configuration, and troubleshooting with real-world examples.
Packer Source AMI Filter: Always Build from Latest AMI
The most surprising thing about Packer's sourceamifilter is that it doesn't actually filter AMIs in the way you'd expect; it filters AMI IDs that Packer.
Packer Spot Instances: Cut Build Costs with Spot
Packer is a tool that automates the creation of machine images. When you're building images, especially if you're doing it frequently or building large,.
Packer Vagrant Box: Build and Publish Vagrant Images
The most surprising thing about building Vagrant boxes with Packer is how much of the "magic" is actually just well-understood system administration und.
Packer Validate and fmt: Lint Templates Before Build
Packer's validate and fmt commands are your first line of defense, catching errors and enforcing consistency before you spend hours building an image.
Packer Variables: Input and Local Variable Patterns
Packer variables let you parameterize your builds, making them reusable and adaptable. The most surprising thing about them is how deeply intertwined th.
Packer Version Fingerprinting: Track Image Lineage
Packer's version fingerprinting is less about tracking what changed in your image and more about tracking which build produced it.
Packer VPC and Subnet: Build in Custom Networks
Packer's ability to bake AMIs within your own VPC and subnets is less about convenience and more about control over your build environment.
Packer vSphere: Build VMware Templates with Packer
Packer can build a VMware template that's so minimal, it'll make you question why you ever bothered with bloated base images.
Packer Windows AMI: Sysprep and Generalize Images
Packer's sysprep and generalize commands are the secret sauce for creating reusable Windows AMIs, but their interaction is far more nuanced than just ru.
Packer AMI Copy: Replicate Images Across AWS Regions
You can copy Amazon Machine Images AMIs between AWS regions, but it's not as straightforward as a simple aws ec2 copy-ami command you might expect.
Packer AMI Deprecation: Manage Old AMI Lifecycle
Old AMIs are about to become a ticking time bomb for your deployments. Packer, the tool you likely use to build your Amazon Machine Images AMIs, has a l.
Packer AMI Sharing: Share Images Cross-Account
Sharing AMIs across AWS accounts is a common requirement for deploying consistent infrastructure. Let's see it in action
Packer AMI Tags: Label Images for Automation
Packer AMI tags are the unsung heroes of automated AWS image building, allowing you to imbue your AMIs with the metadata necessary for seamless integrat.
Packer ARM AMI: Build Graviton2 Images for AWS
Building ARM AMIs for Graviton2 instances with Packer is surprisingly straightforward once you understand how AWS handles ARM architecture builds and ho.
Packer AWS AMI Builder: Build EC2 Machine Images
Packer, when building AWS AMIs, doesn't just bake a static image; it orchestrates a complex, ephemeral dance of AWS resources that are spun up and torn .
Packer EBS Builder: Create Custom AWS AMIs from EBS
The Packer EBS builder lets you forge custom Amazon Machine Images AMIs directly from Elastic Block Store EBS snapshots, bypassing the need for a runnin.
Packer Azure: Build Managed Images for Azure VMs
Packer Azure: Build Managed Images for Azure VMs — practical guide covering packer setup, configuration, and troubleshooting with real-world examples.
Packer Build Args: Pass Variables from CLI
Packer's "build args" are a surprisingly powerful way to inject dynamic values into your image builds without touching your Packer templates directly.
Packer Build Only and Except: Select Specific Builders
Packer's only and except directives give you fine-grained control over which builders run during a build, a surprisingly powerful feature for managing c.
Packer Cache: Manage ISO and Plugin Downloads
Packer caches downloaded ISOs and plugins to speed up subsequent builds. Here's how Packer's caching mechanism works and how you can manage it
Packer Communicators: Configure SSH and WinRM
Packer's communicators, SSH and WinRM, are the unsung heroes that bridge the gap between your Packer build process and the target machine.