cosign
Sigstore Cosign for signing and verifying container images and OCI artifacts. Shell-less, built from source, signed and rebuilt daily against CVE fixes.
- Compressed size
- 31 MB
- Architectures
- amd64, arm64
- Default user
- nonroot (65532)
- Last built
- today
- Upstream
- www.sigstore.dev
Pull this image
docker pull ghcr.io/rtvkiz/minimal-cosign:latestdocker pull ghcr.io/rtvkiz/minimal-cosign:latest-devThe -dev variant adds a shell, package manager and build toolchain. For CI and debugging — not production.
- Repository
- ghcr.io/rtvkiz/minimal-cosign
- Digest
- sha256:edc5916c5b6dd3837a3e06ed4f3ec462bfa1814dee16b9e5d3d9ec990c6173c1
- Built at
- 2026-11-12T08:44:26Z
- Primary package
- cosign
- Entrypoint
- /usr/bin/cosign
- User
- nonroot (65532)
- Working dir
- /workspace
- Architectures
- x86_64, aarch64
- Environment
- Labels
-
org.opencontainers.image.title minimal-cosign org.opencontainers.image.description Hardened shell-less Sigstore Cosign (container signing & verification) built from source via melange with daily CVE patches org.opencontainers.image.url https://github.com/rtvkiz/minimal org.opencontainers.image.source https://github.com/rtvkiz/minimal/tree/main/images/cosign org.opencontainers.image.licenses Apache-2.0
- Entrypoint
- /usr/bin/cosign
- User
- nonroot (65532)
- Working dir
- /workspace
- Architectures
- x86_64, aarch64
- Environment
- Labels
-
org.opencontainers.image.title minimal-cosign-dev org.opencontainers.image.description Dev variant of minimal-cosign: same cosign + shell + curl/openssl/dig/jq/git. Not for production. org.opencontainers.image.url https://github.com/rtvkiz/minimal org.opencontainers.image.source https://github.com/rtvkiz/minimal/tree/main/images/cosign org.opencontainers.image.licenses Apache-2.0 dev.minimal.variant dev
| Tag | Pull | Published |
|---|---|---|
| 3 | ghcr.io/rtvkiz/minimal-cosign:3 | 2026-11-12 |
| 3.1 | ghcr.io/rtvkiz/minimal-cosign:3.1 | 2026-11-12 |
| 3.1.4-r0 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0 | 2026-11-12 |
| 3.1.4-r0-20261112 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261112 | 2026-11-12 |
| latest | ghcr.io/rtvkiz/minimal-cosign:latest | 2026-11-12 |
| 3-dev | ghcr.io/rtvkiz/minimal-cosign:3-dev | 2026-11-12 |
| 3.1-dev | ghcr.io/rtvkiz/minimal-cosign:3.1-dev | 2026-11-12 |
| 3.1.4-r0-20261112-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261112-dev | 2026-11-12 |
| 3.1.4-r0-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-dev | 2026-11-12 |
| latest-dev | ghcr.io/rtvkiz/minimal-cosign:latest-dev | 2026-11-12 |
| 3.1.4-r0-20261111-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261111-dev | 2026-11-11 |
| 3.1.4-r0-20261111 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261111 | 2026-11-11 |
| 3.1.4-r0-20261110 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261110 | 2026-11-10 |
| 3.1.4-r0-20261110-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261110-dev | 2026-11-10 |
| 3.1.4-r0-20261109 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261109 | 2026-11-09 |
| 3.1.4-r0-20261109-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261109-dev | 2026-11-09 |
| 3.1.4-r0-20261108 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261108 | 2026-11-08 |
| 3.1.4-r0-20261108-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261108-dev | 2026-11-08 |
| 3.1.4-r0-20261107 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261107 | 2026-11-07 |
| 3.1.4-r0-20261107-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261107-dev | 2026-11-07 |
| 3.1.4-r0-20261106 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261106 | 2026-11-06 |
| 3.1.4-r0-20261106-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261106-dev | 2026-11-06 |
| 3.1.4-r0-20261105 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261105 | 2026-11-05 |
| 3.1.4-r0-20261105-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261105-dev | 2026-11-05 |
| 3.1.4-r0-20261104 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261104 | 2026-11-04 |
| 3.1.4-r0-20261104-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261104-dev | 2026-11-04 |
| 3.1.4-r0-20261029 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261029 | 2026-10-29 |
| 3.1.4-r0-20261029-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261029-dev | 2026-10-29 |
| 3.1.4-r0-20261027 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261027 | 2026-10-27 |
| 3.1.4-r0-20261027-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261027-dev | 2026-10-27 |
| 3.1.4-r0-20261026 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261026 | 2026-10-26 |
| 3.1.4-r0-20261026-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261026-dev | 2026-10-26 |
| 3.1.4-r0-20261025 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261025 | 2026-10-25 |
| 3.1.4-r0-20261025-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261025-dev | 2026-10-25 |
| 3.1.4-r0-20261024 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261024 | 2026-10-24 |
| 3.1.4-r0-20261024-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261024-dev | 2026-10-24 |
| 3.1.4-r0-20261023 | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261023 | 2026-10-23 |
| 3.1.4-r0-20261023-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.4-r0-20261023-dev | 2026-10-23 |
| 3.1.3-r0 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0 | 2026-10-22 |
| 3.1.3-r0-20261022 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261022 | 2026-10-22 |
| 3.1.3-r0-20261022-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261022-dev | 2026-10-22 |
| 3.1.3-r0-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-dev | 2026-10-22 |
| 3.1.3-r0-20261021 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261021 | 2026-10-21 |
| 3.1.3-r0-20261021-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261021-dev | 2026-10-21 |
| 3.1.3-r0-20261020 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261020 | 2026-10-20 |
| 3.1.3-r0-20261020-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261020-dev | 2026-10-20 |
| 3.1.3-r0-20261019 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261019 | 2026-10-19 |
| 3.1.3-r0-20261019-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261019-dev | 2026-10-19 |
| 3.1.3-r0-20261018 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261018 | 2026-10-18 |
| 3.1.3-r0-20261018-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261018-dev | 2026-10-18 |
| 3.1.3-r0-20261017 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261017 | 2026-10-17 |
| 3.1.3-r0-20261017-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261017-dev | 2026-10-17 |
| 3.1.3-r0-20261016 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261016 | 2026-10-16 |
| 3.1.3-r0-20261016-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261016-dev | 2026-10-16 |
| 3.1.3-r0-20261015 | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261015 | 2026-10-15 |
| 3.1.3-r0-20261015-dev | ghcr.io/rtvkiz/minimal-cosign:3.1.3-r0-20261015-dev | 2026-10-15 |
14 packages in the image, resolved from the SPDX SBOM.
| Package | Version | License |
|---|---|---|
| alpine/ca-certificates | 20261020 | MPL-2.0 AND MIT |
| ca-certificates-bundle | 20261020-r0 | MPL-2.0 AND MIT |
| ca-certificates-bundle | 20261020-r0 | (MPL-2.0 AND MIT) |
| ca-certificates-bundle | 20261020-r0 | — |
| ca-certificates.yaml | 8061afafa65af5a9026707a8880e14120dd6f4a0 | Apache-2.0 |
| cosign | 3.1.4-r0 | Apache-2.0 |
| images/cosign/melange.yaml | 862101ee7af52b6dfb7db319fbf7c11793a3d433 | — |
| sha256:122d8cb7de46ca0188b1fb7dc85fe117b5636eda97d5dace892a4afa18600a38 | sha256:122d8cb7de46ca0188b1fb7dc85fe117b5636eda97d5dace892a4afa18600a38 | — |
| sha256:1cd86e61353f465a0b5eb8e1978c3a83f3c832e764e33d99de0801482ae1138c | 20230201 | — |
| wolfi | 20230201 | — |
| wolfi-baselayout | 20230201-r31 | MIT |
| wolfi-baselayout | 20230201-r31 | MIT |
| wolfi-baselayout | 20230201-r31 | — |
| wolfi-baselayout.yaml | ed415005c84750f03c4a9252137813734a224ae7 | Apache-2.0 |
0 fixable
| CVE | Severity | Package | Installed | Fixed in |
|---|---|---|---|---|
| GO-2026-6225 | Unknown | github.com/chrismellard/docker-credential-acr-env | v0.0.0-20230304212654-82a0ddb27589 | — |
Everything is verifiable without an account. Copy and run:
Build provenance (SLSA v1.0, Build L2)
gh attestation verify oci://ghcr.io/rtvkiz/minimal-cosign:latest --owner rtvkizCosign signature
cosign verify \
--certificate-identity-regexp='https://github.com/rtvkiz/minimal/' \
--certificate-oidc-issuer='https://token.actions.githubusercontent.com' \
ghcr.io/rtvkiz/minimal-cosign:latestSBOM attestation (SPDX)
cosign verify-attestation --type spdxjson \
--certificate-identity-regexp='https://github.com/rtvkiz/minimal/' \
--certificate-oidc-issuer='https://token.actions.githubusercontent.com' \
ghcr.io/rtvkiz/minimal-cosign:latest \
| jq -r '.payload | @base64d | fromjson | .predicate'Signatures are logged in the public Rekor transparency log.
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