Update entrypoint for Ubuntu 24.04 (#286)

This commit removes the legacy Bullseye repositories and uses the default ones
because the newer versions of goreleaser-cross use Ubuntu 24.04.

It also fixes an error in the current images, which do not include the Windows
ARM64 compiler.

Author: maraino

.github/workflows/release.yml

@@ -161,7 +161,7 @@ jobs:
       contents: write
     uses: smallstep/workflows/.github/workflows/docker-buildx-push.yml@main
     with:
-      platforms: linux/amd64,linux/arm64,linux/386,linux/arm
+      platforms: linux/amd64,linux/386,linux/arm,linux/arm64
       tags: ${{ needs.create_release.outputs.docker_tags }}
       docker_image: smallstep/step-kms-plugin
       docker_file: docker/Dockerfile
@@ -189,7 +189,7 @@ jobs:
       contents: write
     uses: smallstep/workflows/.github/workflows/docker-buildx-push.yml@main
     with:
-      platforms: linux/amd64,linux/arm64,linux/386,linux/arm
+      platforms: linux/amd64,linux/386,linux/arm,linux/arm64
       tags: ${{ needs.create_release.outputs.docker_tags_cloud }}
       docker_image: smallstep/step-kms-plugin
       docker_file: docker/Dockerfile.cloud

docker/build/entrypoint.sh

@@ -2,15 +2,18 @@
 
 set -e
 
-# Fix for missing bullseye repos:
-echo 'deb http://archive.debian.org/debian bullseye main
-deb http://deb.debian.org/debian-security bullseye-security main
-deb http://archive.debian.org/debian bullseye-updates main' > /etc/apt/sources.list
-
 apt update
 apt install --no-install-recommends -y curl pkg-config libpcsclite-dev libpcsclite-dev:arm64
 
 # Install syft
 curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh | sh -s -- -b /usr/local/bin
 
+# Install llvm-mingw compiler for arm64 if necessary
+if [ ! -e /llvm-mingw ]; then
+    cd /
+    curl -sSfL "https://github.com/mstorsjo/llvm-mingw/releases/download/20251021/llvm-mingw-20251021-ucrt-ubuntu-22.04-x86_64.tar.xz" | bsdtar -xf -
+    ln -snf $(pwd)/llvm-mingw-20251021-ucrt-ubuntu-22.04-x86_64 /llvm-mingw
+    cd -
+fi
+
 exec /entrypoint.sh $@