From 0bd636ea23a0f2b1c13346c4b7f029d2f35aeaff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Dular?=
 <22869613+xBlaz3kx@users.noreply.github.com>
Date: Sun, 7 Dec 2025 13:42:11 +0100
Subject: [PATCH] chore: add Docker go mod and build cache (#25855)

---
 Dockerfile | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index e90f27547..b9286683a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,10 +32,14 @@ ARG RELEASE=0
 
 WORKDIR /build
 
+# Setup Go cache
+ENV GOCACHE=/root/.cache/go-build
+ENV GOMODCACHE=/root/.cache/go-mod
+
 # download modules
 COPY go.mod .
 COPY go.sum .
-RUN go mod download
+RUN --mount=type=cache,target="/root/.cache/go-mod" go mod download
 
 # install tools
 COPY Makefile .
@@ -58,7 +62,8 @@ ARG TARGETARCH
 ARG TARGETVARIANT
 ARG GOARM=${TARGETVARIANT#v}
 
-RUN RELEASE=${RELEASE} GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOARM=${GOARM} make build
+RUN --mount=type=cache,target="/root/.cache/go-build"  --mount=type=cache,target="/root/.cache/go-mod"\
+    RELEASE=${RELEASE} GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOARM=${GOARM} make build
 
 
 # STEP 3 build a small image including module support