Update cheatsheets

tldr/linux/apptainer-build

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# apptainer build
+
+> Build Apptainer container images.
+> More information: <https://apptainer.org/docs/user/main/cli/apptainer_build.html>.
+
+- Build a container from a definition file:
+
+`apptainer build {{path/to/image.sif}} {{path/to/definition.def}}`
+
+- Build a container from Docker Hub:
+
+`apptainer build {{path/to/image.sif}} docker://{{image}}:{{tag}}`
+
+- Build a container from the Container Library:
+
+`apptainer build {{path/to/image.sif}} library://{{user/collection/container}}:{{tag}}`
+
+- Build a writable [s]andbox directory instead of an image file:
+
+`apptainer build {{[-s|--sandbox]}} {{path/to/directory}} docker://{{image}}:{{tag}}`
+
+- Build a container without using the cache:
+
+`apptainer build --disable-cache {{path/to/image.sif}} docker://{{image}}:{{tag}}`
+
+- [F]orce overwrite an existing image file:
+
+`apptainer build {{[-F|--force]}} {{path/to/image.sif}} {{path/to/definition.def}}`
+
+- Build using [f]akeroot for unprivileged builds:
+
+`apptainer build {{[-f|--fakeroot]}} {{path/to/image.sif}} {{path/to/definition.def}}`
+
+- Display help:
+
+`apptainer build {{[-h|--help]}}`