Skip to content

fix(security): Alpine 3.23 with ca-certificates >= 20261020-r0 and Go 1.27.3 #32

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
coyl merged 1 commit into from
Oct 26, 2026
Merged

fix(security): Alpine 3.23 with ca-certificates >= 20261020-r0 and Go 1.27.3 #32

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,10 @@ Notable changes to ktms-admin. The format follows

## [Unreleased]

### Security
- The image is built on Alpine 3.23 with `ca-certificates` 20261020 or newer, which no longer
trusts the eMudhra intermediates whose keys leaked in October 2026, and with Go 1.27.3.

## [1.1.0] - 2026-10-24

### Added
Expand Down
9 changes: 5 additions & 4 deletions Dockerfile
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
FROM golang:1.26-alpine AS builder
FROM golang:1.27.3-alpine3.23 AS builder
ARG TARGETOS=linux
ARG TARGETARCH
WORKDIR /app
Expand All @@ -8,9 +8,10 @@ COPY . .
RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache/go-build \
CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -trimpath -ldflags="-s -w" -o /out/ktms-admin ./cmd/ktms-admin

FROM alpine:3.21
# CA certificates are needed to reach identity providers for sign-in.
RUN apk add --no-cache ca-certificates && adduser -D -u 10001 appuser
FROM alpine:3.23
# CA certificates are needed to reach identity providers for sign-in; 20261020 distrusts the
# eMudhra intermediates whose keys leaked.
RUN apk add --no-cache 'ca-certificates>=20261020-r0' && adduser -D -u 10001 appuser
COPY --from=builder /out/ktms-admin /ktms-admin
USER appuser
EXPOSE 8080
Expand Down
Loading