chainctl
chainctl Chainguard Control
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For the complete documentation index, see llms.txt.
Show changelog for image history
Show changelog for image history.
This command fetches the tag history for an image, analyzes changes between versions, and displays human-readable summaries of changes (similar to git log).
chainctl images changelog IMAGE_REFERENCE [flags]
# Show changelog for an image (default: last 10 versions)
chainctl images changelog cgr.dev/chainguard/nginx:latest
# Show only last 5 versions
chainctl images changelog cgr.dev/chainguard/nginx:latest --depth 5
# Output as JSON
chainctl images changelog cgr.dev/chainguard/nginx:latest --output json
# Output as table
chainctl images changelog cgr.dev/chainguard/nginx:latest --output table --depth int Number of historical versions to show (default 10)
--platform string Platform to use for multi-arch images (e.g., linux/amd64, linux/arm64) (default "linux/amd64") --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.Last updated: 2026-05-04 16:59