fleet/tools/fleet-docker/Dockerfile
Sharon Katz 6032c137e5
Bump Alpine base image to 3.23.4 to resolve openssl/musl/zlib CVEs (#43671) (#44097)
Resolves #43671.

Bumps the Alpine base image from 3.23.3 to 3.23.4 in the Dockerfiles
that produce published images, picking up patched openssl, musl, and
zlib packages. Follows the same pattern as #38977.

### CVEs resolved
- HIGH: CVE-2026-28388, CVE-2026-28389, CVE-2026-28390, CVE-2026-31790,
CVE-2026-2673, CVE-2026-40200
- MEDIUM: CVE-2026-27171, CVE-2026-6042, CVE-2026-22184

### Test plan
- CI image build passes.
- Trivy/ECR scan on the resulting fleetdm/fleet image confirms the nine
listed CVEs are gone.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Chores**
* Updated Docker base images to Alpine 3.23.4 across infrastructure and
deployment components for improved stability and security.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-04-23 23:15:53 -03:00

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Docker

FROM alpine:3.23.4@sha256:5b10f432ef3da1b8d4c7eb6c487f2f5a8f096bc91145e68878dd4a5019afde11
LABEL maintainer="Fleet Developers"
RUN apk --update add ca-certificates
RUN apk --no-cache add jq
# Create fleet group and user
RUN addgroup -S fleet && adduser -S fleet -G fleet
USER fleet
COPY fleet /usr/bin/
CMD ["fleet", "serve"]