dockerfile: Fix go downloading

Previous method doesnt support newer versions anymore
(or not at least atm).

Just use wget instead.

Signed-off-by: Or Shoval <[email protected]>

Author: oshoval

cmd/Dockerfile

@@ -4,7 +4,15 @@ RUN mkdir /workdir
 WORKDIR /workdir
 
 COPY go.mod .
-RUN dnf install -y golang-$(sed -En 's/^go +(.*+)$/\1/p' go.mod).*
+
+RUN dnf install -y wget
+
+RUN GO_VERSION=$(sed -En 's/^go +(.*)$/\1/p' go.mod) && \
+    wget https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz && \
+    tar -C /usr/local -xzf go${GO_VERSION}.linux-amd64.tar.gz && \
+    rm go${GO_VERSION}.linux-amd64.tar.gz
+
+ENV PATH /usr/local/go/bin:$PATH
 
 COPY . .
 

go.mod

@@ -87,4 +87,4 @@ replace (
 	k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.19.1
 )
 
-go 1.21
+go 1.21.0