Flux image update automation

Auto-update image tags in git when new images are pushed

flux create image update <name> --git-repo-ref=<repo> --git-repo-path=./deploy --checkout-branch=main --push-branch=main -n flux-system
tool
flux29 commands
tags
fluxconfig

More flux commands

  • Logs of Flux controller
    flux logs --kind=kustomize-controller -n flux-system --tail=50

    Follow logs from a specific Flux controller

  • Push image policy
    flux create image policy <name> --image-ref=<image-repo> --select-semver='>=1.0.0' -n flux-system

    Define which image tags Flux should track for automation

  • OCI source by semver
    flux create source oci <name> --url=oci://reg/repo --tag-semver='>=1.0.0' --interval=5m

    Track an OCI artifact by semver range instead of git; modern: GitOps from a registry

  • Push manifests as OCI artifact
    flux push artifact oci://reg/manifests:$(git rev-parse --short HEAD) --path=./manifests --source=$(git config --get remote.origin.url) --revision=$(git rev-parse HEAD)

    Package manifests into an OCI artifact tagged by commit; note: embeds source+revision metadata

  • Diff kustomization vs cluster
    flux diff kustomization <name> --path ./overlays/prod

    Server-side dry-run showing exactly what Flux would change before applying

all 29 flux commands