Fixed multi-arch for helm

Author: nicholasdille

tools/helm/Dockerfile.template

@@ -1,16 +1,15 @@
 #syntax=docker/dockerfile:1.5.1
 
 ARG ref=main
-FROM ghcr.io/nicholasdille/docker-setup/base:${ref} AS prepare
 
+FROM ghcr.io/nicholasdille/docker-setup/base:${ref} AS prepare
 ARG name
 ARG version
-
 RUN <<EOF
 curl --silent --location --fail "https://get.helm.sh/helm-v${version}-linux-${alt_arch}.tar.gz" \
 | tar --extract --gzip --directory="${prefix}${target}/bin" --strip-components=1 --no-same-owner \
-    linux-amd64/helm
+    linux-${alt_arch}/helm
 "${prefix}${target}/bin/helm" completion bash >"${prefix}${target}/share/bash-completion/completions/helm"
 "${prefix}${target}/bin/helm" completion fish >"${prefix}${target}/share/fish/vendor_completions.d/helm.fish"
 "${prefix}${target}/bin/helm" completion zsh >"${prefix}${target}/share/zsh/vendor-completions/_helm"
-EOF
+EOF