# chainctl images overlays create

URL: https://edu.chainguard.dev/platform/chainctl/chainctl-docs/chainctl_images_overlays_create.md
Last Modified: September 30, 2026
Tags: chainctl, Reference, Product

 chainctl images overlays create Create a Custom Assembly overlay.
Synopsis Create a Custom Assembly overlay under an organization or folder.
Pass the overlay configuration either as repeated –package flags, or as a YAML file with –file in the same shape that “chainctl images repos build apply” accepts. Creating an overlay does not change any image; attach it to a repo with “chainctl images overlays attach”.
chainctl images overlays create <NAME> [flags] Examples # Create an overlay from packages chainctl images overlays create my-overlay --parent my-org --package curl --package jq # Create an overlay from a configuration file chainctl images overlays create my-overlay --parent my-org -f overlay.yaml Options -f, --file chainctl images repos build The name of the YAML file containing the overlay configuration, the same shape chainctl images repos build accepts. Takes precedence over --package. --package strings Package to include (repeatable). --parent string Parent group name or UIDP under which to create the overlay. Options inherited from parent commands --api string The url of the Chainguard platform API. (default "https://console-api.enforce.dev") --audience string The Chainguard token audience to request. (default "https://console-api.enforce.dev") --config string A specific chainctl config file. Uses CHAINCTL_CONFIG environment variable if a file is not passed explicitly. --console string The url of the Chainguard platform Console. (default "https://console.chainguard.dev") --force-color Force color output even when stdout is not a TTY. -h, --help Help for chainctl --issuer string The url of the Chainguard STS endpoint. (default "https://issuer.enforce.dev") --log-level string Set the log level (debug, info) (default "ERROR") -o, --output string Output format. One of: [csv, env, go-template, id, json, markdown, none, table, terse, tree, wide] -v, --v int Set the log verbosity level. SEE ALSO chainctl images overlays	- Manage Custom Assembly overlays and the repos they are attached to.