The artifacts of successful builds are: ->. => Wait completed after 32 seconds 29 milliseconds => Builds finished. : Digest: sha256:bb84bbf2ff36d46acaf0bb0c6bcb33dae64cd93cba8652d74c9aaf438fada438 : Status: Downloaded newer image for ubuntu:jammy : docker.io/library/ubuntu:jammy => : Starting docker container. => : Pulling Docker image: ubuntu:jammy : jammy: Pulling from library/ubuntu : 4007a89234b4: Pulling fs layer #. => : Creating a temporary directory for sharing data. $ packer build : output will be in this color. In the example template, the builder type is docker and the name is ubuntu. These two labels together will allow us to uniquely reference sources later on when we define build runs. ![]() A builder plugin is a component of Packer that is responsible for creating a machine and turning that machine into an image.Ī source block has two important labels: a builder type and a name. A source can be reused across multiple builds, and you can use multiple sources in a single build. ![]() Builders and communicators are bundled together and configured side-by-side in a source block. Source blocks use builders and communicators to define what kind of virtualization to use, how to launch the image you want to provision, and how to connect to it. The source block configures a specific builder plugin, which is then invoked by a build block. In the example template above, Packer will use the Packer Docker builder plugin that is greater than version 1.0.8. If you do not specify a plugin version, Packer will automatically download the most recent version during initialization.
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