Update cheatsheets

packer

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# packer
+
+> Build automated machine images.
+> More information: <https://www.packer.io/>.
+
+- Build an image:
+
+`packer build {{path/to/config.json}}`
+
+- Check the syntax of a Packer image config:
+
+`packer validate {{path/to/config.json}}`
+
+- Format a Packer image config:
+
+`packer fmt {{path/to/config.pkr.hcl}}`