33 lines
1.5 KiB
Markdown
33 lines
1.5 KiB
Markdown
---
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layout: "docs"
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---
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# Command-Line: Build
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The `packer build` command takes a template and runs all the builds within
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it in order to generate a set of artifacts. The various builds specified within
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a template are executed in parallel, unless otherwise specified. And the
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artifacts that are created will be outputted at the end of the build.
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## Options
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* `-debug` - Disables parallelization and enables debug mode. Debug mode flags
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the builders that they should output debugging information. The exact behavior
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of debug mode is left to the builder. In general, builders usually will stop
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between each step, waiting for keyboard input before continuing. This will allow
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the user to inspect state and so on.
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* `-force` - Forces a builder to run when artifacts from a previous build prevent
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a build from running. The exact behavior of a forced build is left to the builder.
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In general, a builder supporting the forced build will remove the artifacts from
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the previous build. This will allow the user to repeat a build without having to
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manually clean these artifacts beforehand.
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* `-except=foo,bar,baz` - Builds all the builds except those with the given
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comma-separated names. Build names by default are the names of their builders,
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unless a specific `name` attribute is specified within the configuration.
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* `-only=foo,bar,baz` - Only build the builds with the given comma-separated
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names. Build names by default are the names of their builders, unless a
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specific `name` attribute is specified within the configuration.
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