unbound Infrastructure
Shell-less Unbound validating recursive DNS resolver built from source via melange.
Size 23 MB Arch x86_64, aarch64 User nonroot (65532) Updated today Upstream www.nlnetlabs.nl/projects/unbound/
Pull this image
docker pull ghcr.io/rtvkiz/minimal-unbound:latestdocker pull ghcr.io/rtvkiz/minimal-unbound:latest-devThe -dev variant adds a shell, package manager and build toolchain. For CI and debugging — not production.
Details
- Repository
- ghcr.io/rtvkiz/minimal-unbound
- Size (compressed)
- 23 MB
- Built
- 2026-08-13T15:35:41Z (today)
- Architectures
- x86_64, aarch64
- Primary package
- unbound
- Entrypoint
- /usr/bin/unbound -d -c /etc/unbound/unbound.conf
- User
- nonroot (65532)
- Working dir
- /
- Architectures
- x86_64, aarch64
- Environment
- Labels
-
org.opencontainers.image.title minimal-unbound org.opencontainers.image.description Hardened shell-less Unbound validating recursive DNS resolver 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/unbound org.opencontainers.image.licenses BSD-3-Clause
- Entrypoint
- /usr/bin/unbound -d -c /etc/unbound/unbound.conf
- User
- nonroot (65532)
- Working dir
- /
- Architectures
- x86_64, aarch64
- Environment
- Labels
-
org.opencontainers.image.title minimal-unbound-dev org.opencontainers.image.description Dev variant of minimal-unbound: same unbound + shell + bind-tools (dig) + curl/openssl. Not for production. org.opencontainers.image.url https://github.com/rtvkiz/minimal org.opencontainers.image.source https://github.com/rtvkiz/minimal/tree/main/unbound org.opencontainers.image.licenses BSD-3-Clause dev.minimal.variant dev
| Tag | Pull | Published |
|---|---|---|
| 1 | ghcr.io/rtvkiz/minimal-unbound:1 | 2026-08-14 |
| 1.26 | ghcr.io/rtvkiz/minimal-unbound:1.26 | 2026-08-14 |
| 1.26.0-r0 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0 | 2026-08-14 |
| 1.26.0-r0-20260814 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260814 | 2026-08-14 |
| latest | ghcr.io/rtvkiz/minimal-unbound:latest | 2026-08-14 |
| 1-dev | ghcr.io/rtvkiz/minimal-unbound:1-dev | 2026-08-14 |
| 1.26-dev | ghcr.io/rtvkiz/minimal-unbound:1.26-dev | 2026-08-14 |
| 1.26.0-r0-20260814-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260814-dev | 2026-08-14 |
| 1.26.0-r0-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-dev | 2026-08-14 |
| latest-dev | ghcr.io/rtvkiz/minimal-unbound:latest-dev | 2026-08-14 |
| 1.26.0-r0-20260813 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260813 | 2026-08-13 |
| 1.26.0-r0-20260813-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260813-dev | 2026-08-13 |
| 1.26.0-r0-20260812 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260812 | 2026-08-12 |
| 1.26.0-r0-20260812-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260812-dev | 2026-08-12 |
| 1.26.0-r0-20260811 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260811 | 2026-08-11 |
| 1.26.0-r0-20260811-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260811-dev | 2026-08-11 |
| 1.26.0-r0-20260810 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260810 | 2026-08-10 |
| 1.26.0-r0-20260810-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260810-dev | 2026-08-10 |
| 1.26.0-r0-20260809 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260809 | 2026-08-09 |
| 1.26.0-r0-20260809-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260809-dev | 2026-08-09 |
| 1.26.0-r0-20260808 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260808 | 2026-08-08 |
| 1.26.0-r0-20260808-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260808-dev | 2026-08-08 |
| 1.26.0-r0-20260807 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260807 | 2026-08-07 |
| 1.26.0-r0-20260807-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260807-dev | 2026-08-07 |
| 1.26.0-r0-20260806-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260806-dev | 2026-08-06 |
| 1.26.0-r0-20260806 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260806 | 2026-08-06 |
| 1.26.0-r0-20260805 | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260805 | 2026-08-05 |
| 1.26.0-r0-20260805-dev | ghcr.io/rtvkiz/minimal-unbound:1.26.0-r0-20260805-dev | 2026-08-05 |
46 packages in the image, resolved from the SPDX SBOM.
| Package | Version | License |
|---|---|---|
| alpine/ca-certificates | 20260413 | MPL-2.0 AND MIT |
| ca-certificates-bundle | 20260413-r1 | MPL-2.0 AND MIT |
| ca-certificates-bundle | 20260413-r1 | (MPL-2.0 AND MIT) |
| ca-certificates-bundle | 20260413-r1 | — |
| ca-certificates.yaml | 70f58e72ab3f2139f773ba5c148b573e8d835baa | Apache-2.0 |
| expat | 2.8.3-r0 | MIT |
| expat | 2.8.3-r0 | MIT |
| expat | 2.8.3-r0 | — |
| expat.yaml | 82cb5e4b97103dd06a6ff290c2194be5027dcd5c | Apache-2.0 |
| gcc.yaml | ee52ebd3c186a06b70547dbfa69282385da38f2b | Apache-2.0 |
| glibc | 2.43-r13 | LGPL-2.1-or-later |
| glibc | 2.43-r13 | LGPL-2.1-or-later |
| glibc | 2.43-r13 | — |
| glibc-locale-posix | 2.43-r13 | LGPL-2.1-or-later |
| glibc-locale-posix | 2.43-r13 | LGPL-2.1-or-later |
| glibc-locale-posix | 2.43-r13 | — |
| glibc.yaml | 837e260c2c4077f1183995935db101a5fa325205 | Apache-2.0 |
| gnutools/gcc | releases/gcc-16.1.0 | GPL-3.0-or-later WITH GCC-exception-3.1 |
| gnutools/glibc | dae425b554207f7c4599c7fac707ad4c08545674 | LGPL-2.1-or-later |
| ld-linux | 2.43-r13 | LGPL-2.1-or-later |
| ld-linux | 2.43-r13 | LGPL-2.1-or-later |
| ld-linux | 2.43-r13 | — |
| libcrypto3 | 3.6.3-r4 | Apache-2.0 |
| libcrypto3 | 3.6.3-r4 | Apache-2.0 |
| libcrypto3 | 3.6.3-r4 | — |
| libexpat | R_2_8_3 | MIT |
| libexpat1 | 2.8.3-r0 | MIT |
| libexpat1 | 2.8.3-r0 | MIT |
| libexpat1 | 2.8.3-r0 | — |
| libgcc | 16.1.0-r4 | GPL-3.0-or-later WITH GCC-exception-3.1 |
| libgcc | 16.1.0-r4 | (GPL-3.0-or-later WITH GCC-exception-3.1) |
| libgcc | 16.1.0-r4 | — |
| libssl3 | 3.6.3-r4 | Apache-2.0 |
| libssl3 | 3.6.3-r4 | Apache-2.0 |
| libssl3 | 3.6.3-r4 | — |
| openssl | openssl-3.6.3 | Apache-2.0 |
| openssl.yaml | c48ecb7ef94ace77404e694cdd5e791557ae3279 | Apache-2.0 |
| sha256:2727455556a082ad59465c82d50f0ad81ceea66cdd4249ae6780e48383eecd28 | 20230201 | — |
| sha256:3ce42e8ba695ebc2318374ac64feb48d3279c2e1c2514656ab9389496e166e89 | sha256:3ce42e8ba695ebc2318374ac64feb48d3279c2e1c2514656ab9389496e166e89 | — |
| unbound-minimal | 1.26.0-r0 | BSD-3-Clause |
| unbound/melange.yaml | f7373df05a7d1400bd2fd7c965bd213c269b27fd | — |
| wolfi | 20230201 | — |
| wolfi-baselayout | 20230201-r29 | MIT |
| wolfi-baselayout | 20230201-r29 | MIT |
| wolfi-baselayout | 20230201-r29 | — |
| wolfi-baselayout.yaml | 35e7b4713442869116936fae3fe8cf7c69bc9054 | Apache-2.0 |
2 high 0 fixable
| CVE | Severity | Package | Installed | Fixed in |
|---|---|---|---|---|
| CVE-2026-54876 | High | libcrypto3 | 3.6.3-r4 | — |
| CVE-2026-54876 | High | libssl3 | 3.6.3-r4 | — |
Everything is verifiable without an account. Copy and run:
Build provenance (SLSA L3)
gh attestation verify oci://ghcr.io/rtvkiz/minimal-unbound: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-unbound: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-unbound:latest \
| jq -r '.payload | @base64d | fromjson | .predicate'Signatures are logged in the public Rekor transparency log.