ci(test-os): cross build freebsd binaries using the Dockerfile

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

Author: crazy-max

.github/workflows/test-os.yml

@@ -23,6 +23,7 @@ env:
   TESTFLAGS: "-v --parallel=6 --timeout=30m"
   GOTESTSUM_VERSION: "v1.9.0"  # same as one in Dockerfile
   GOTESTSUM_FORMAT: "standard-verbose"
+  DESTDIR: "./bin"
 
 jobs:
   test:
@@ -89,8 +90,35 @@ jobs:
         if: failure()
         uses: crazy-max/ghaction-dump-context@v2
 
+  build-freebsd-amd64:
+    runs-on: ubuntu-22.04
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Build
+        uses: docker/bake-action@v3
+        with:
+          targets: binaries
+          set: |
+            *.platform=freebsd/amd64
+      -
+        name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: buildkit-freebsd-amd64
+          path: ${{ env.DESTDIR }}/*
+          if-no-files-found: error
+          retention-days: 1
+
   test-freebsd-amd64:
     runs-on: macos-12
+    needs:
+      - build-freebsd-amd64
     env:
       VAGRANT_VAGRANTFILE: hack/Vagrantfile.freebsd13
       GOOS: freebsd
@@ -99,18 +127,11 @@ jobs:
         name: Checkout
         uses: actions/checkout@v4
       -
-        name: Set up Go
-        uses: actions/setup-go@v4
+        name: Download artifacts
+        uses: actions/download-artifact@v3
         with:
-          go-version: "${{ env.GO_VERSION }}"
-
-      - name: Build buildkitd binary
-        run: |
-          go build ./cmd/buildkitd
-
-      - name: Build buildctl binary
-        run: |
-          go build ./cmd/buildctl
+          name: buildkit-freebsd-amd64
+          path: ${{ env.DESTDIR }}
       -
         name: Cache Vagrant boxes
         uses: actions/cache@v3

hack/Vagrantfile.freebsd13

@@ -23,7 +23,7 @@ Vagrant.configure("2") do |config|
       #!/usr/bin/env bash
       set -eux -o pipefail
       cd /vagrant
-      install -m 755 buildkitd /usr/local/bin/buildkitd
+      install -m 755 bin/buildkitd /usr/local/bin/buildkitd
       type /usr/local/bin/buildkitd
       buildkitd --version
     SHELL
@@ -34,7 +34,7 @@ Vagrant.configure("2") do |config|
       #!/usr/bin/env bash
       set -eux -o pipefail
       cd /vagrant
-      install -m 755 buildctl /usr/local/bin/buildctl
+      install -m 755 bin/buildctl /usr/local/bin/buildctl
       type /usr/local/bin/buildctl
     SHELL
   end