From e91a127d2f7094c0bd45d8e1190e6b20d3c402f6 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 24 May 2026 19:09:36 +0000
Subject: [PATCH 1/2] Initial plan


From f69d54c8b77828bee284ddc65b24c4a3776d3bdc Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 24 May 2026 19:12:17 +0000
Subject: [PATCH 2/2] fix: rebuild etcdctl with patched Go toolchain

Agent-Logs-Url: https://github.com/dejanu/etcd-utils/sessions/59674c1f-4a70-463c-a379-803181b52335

Co-authored-by: dejanu <13877229+dejanu@users.noreply.github.com>
---
 Dockerfile | 24 +++++++++++++-----------
 Readme.md  |  2 +-
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 4f0046b..d81ddc2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,20 +1,22 @@
-FROM dhi.io/debian-base:trixie-debian13-dev AS downloader
+FROM golang:1.25.10-bookworm AS builder
 
-ENV ETCD_VERSION="v3.6.11"
+ARG ETCD_VERSION="v3.6.11"
+ARG TARGETOS
+ARG TARGETARCH
 
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends ca-certificates curl tar \
-    && rm -rf /var/lib/apt/lists/*
+WORKDIR /build
+RUN git clone --branch "${ETCD_VERSION}" --depth 1 https://github.com/etcd-io/etcd.git .
 
-ARG TARGETARCH
-RUN ETCD_URL="https://github.com/etcd-io/etcd/releases/download/${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-${TARGETARCH}.tar.gz" \
-    && mkdir -p /out \
-    && curl -sL "${ETCD_URL}" | tar -zxv --strip-components=1 -C /out \
-    && mv /out/etcdctl /out/etcdctl-bin
+WORKDIR /build/etcdctl
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    go get golang.org/x/net@v0.55.0 golang.org/x/sys@v0.45.0 golang.org/x/text@v0.37.0 \
+    && go mod download \
+    && CGO_ENABLED=0 GOOS="${TARGETOS:-linux}" GOARCH="${TARGETARCH}" go build -trimpath -ldflags="-s -w" -o /out/etcdctl-bin .
 
 FROM dhi.io/debian-base:trixie
 
-COPY --chmod=755 --from=downloader /out/etcdctl-bin /usr/local/bin/etcdctl-bin
+COPY --chmod=755 --from=builder /out/etcdctl-bin /usr/local/bin/etcdctl-bin
 COPY --chmod=755 etcdctl-wrapper.sh /usr/local/bin/etcdctl
 
 USER 0
diff --git a/Readme.md b/Readme.md
index 9347af4..98f1218 100644
--- a/Readme.md
+++ b/Readme.md
@@ -65,4 +65,4 @@ If neither directory exists (e.g. you attached to a worker), the wrapper runs `e
 
 * [Using etcdctl in k3s clusters](https://docs.k3s.io/advanced?_highlight=etcdctl#using-etcdctl)
 * [DHI catalog](https://hub.docker.com/hardened-images/catalog) (base images used in the Dockerfile)
-* [etcd releases](https://github.com/etcd-io/etcd/releases): etcd release archives ships all 3 binaries together: `etcd, etcdctl, etcdutl`
\ No newline at end of file
+* [etcd source releases](https://github.com/etcd-io/etcd/releases): this image builds `etcdctl` from the tagged source during image build
\ No newline at end of file