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distribution/dockerfiles/docs.Dockerfile
T
Pujitha Paladugu a22d72fb43 build: bump Go to 1.26.10 in Dockerfiles
Motivation: the Dockerfiles pin GO_VERSION=1.26.8, so release and edge
images are built with a Go toolchain that predates the 1.26.9 and 1.26.10
security releases (including a mime/multipart memory limit bypass and
crypto/x509 intermediate certificate distrust). Rebuilds still produce
go1.26.8 binaries because of the pin.

Approach: bump the GO_VERSION ARG from 1.26.8 to 1.26.10 in Dockerfile and
dockerfiles/{docs,git,lint,vendor}.Dockerfile, as was done for the previous
bump. The CI matrix in build.yml uses 1.26.x and needs no change. No source
changes. This does not cut a patch release; that is a maintainer decision.

Validation: Docker is not available on this machine, so I did not build the
images. I confirmed the golang:1.26.10-alpine tag exists on Docker Hub and
grepped that no other 1.26.8 pin remains. The change only alters a base
image tag; no Go code or tests are affected.

Report: https://github.com/distribution/distribution/issues/5040
Signed-off-by: Pujitha Paladugu <10557236+pujitha24@users.noreply.github.com>
Assisted-by: claude-sonnet-5-5 (via Claude Code)
2026-10-22 11:12:51 -07:00

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Docker

# syntax=docker/dockerfile:1
# GO_VERSION sets the version of the golang base image to use.
# It must be a supported tag in the docker.io/library/golang image repository.
ARG GO_VERSION=1.26.10
# ALPINE_VERSION sets the version of the alpine base image to use, including for the golang image.
# It must be a supported tag in the docker.io/library/alpine image repository
# that's also available as alpine image variant for the Golang version used.
ARG ALPINE_VERSION=3.24
FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS base
RUN apk add --no-cache git
FROM base AS hugo
ARG HUGO_VERSION=0.136.5
RUN --mount=type=cache,target=/go/mod/pkg \
go install github.com/gohugoio/hugo@v${HUGO_VERSION}
FROM base AS build-base
COPY --from=hugo $GOPATH/bin/hugo /bin/hugo
WORKDIR /src
FROM build-base AS build
RUN --mount=type=bind,rw,source=docs,target=. \
hugo --gc --minify --destination /out
FROM build-base AS server
COPY docs .
ENTRYPOINT [ "hugo", "server", "--bind", "0.0.0.0" ]
EXPOSE 1313
FROM scratch AS out
COPY --from=build /out /
FROM wjdp/htmltest:v0.17.0 AS test
# Copy the site to a public/distribution subdirectory
# This is a workaround for a limitation in htmltest, see:
# https://github.com/wjdp/htmltest/issues/45
WORKDIR /test/public/distribution
COPY --from=build /out .
WORKDIR /test
ADD docs/.htmltest.yml .htmltest.yml
RUN --mount=type=cache,target=tmp/.htmltest \
htmltest