LXD Builder

The LXD Builder generates repeatable container build configurations from multi-field inputs. It accepts required fields such as base_image_alias, architecture, and release_channel, plus optional profiles, devices, and package_sets. The resulting manifest describes the image composition, such as included packages, overrides, and storage layout, enabling automation to reproduce identical images across environments. Examples: base_image_alias 'ubuntu/22.04', arch 'amd64', profile 'default'.
Conceptually, the tool maps inputs to a declarative build plan. It validates dependencies, resolves compatible base images, and assembles a configuration that can be consumed by your CI pipeline or the LXD image builder. The process emphasizes idempotence: repeated runs yield the same artifact when inputs remain unchanged. It supports multi-arch configurations and optional signing hints.
Audience and value: developers, DevOps engineers, and sysadmin teams rely on consistent images to reduce drift and deployment risk. The tool’s value lies in centralizing build logic, automating validation of inputs, and exporting ready-to-run configurations that fit into existing workflows. It minimizes manual scripting and accelerates secure, auditable image creation.
Core features include input validation, modular profile handling, package-set expansion, output in JSON or YAML, and CI-friendly exports. Use cases include baseline image creation, environment-specific variants, and reproducible release pipelines. The tool distinguishes itself by focusing on declarative, multi-field inputs and an auditable build manifest rather than ad hoc shell scripts.