ci: simple gha workflow to build docker daemon

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

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: ci
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'master'
+      - '[0-9]+.[0-9]{2}'
+    tags:
+      - 'v*'
+  pull_request:
+
+env:
+  BUNDLES_OUTPUT: ./bundles
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - binary
+          - dynbinary
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Build
+        uses: docker/bake-action@v1
+        with:
+          targets: ${{ matrix.target }}
+      -
+        name: Upload build artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ matrix.target }}
+          path: ${{ env.BUNDLES_OUTPUT }}/${{ matrix.target }}-daemon/*
+          if-no-files-found: error

docker-bake.hcl

@@ -0,0 +1,24 @@
+variable "BUNDLES_OUTPUT" {
+  default = "./bundles"
+}
+
+target "_common" {
+  args = {
+    BUILDKIT_CONTEXT_KEEP_GIT_DIR = 1
+  }
+}
+
+group "default" {
+  targets = ["binary"]
+}
+
+target "binary" {
+  inherits = ["_common"]
+  target = "binary"
+  output = [BUNDLES_OUTPUT]
+}
+
+target "dynbinary" {
+  inherits = ["binary"]
+  target = "dynbinary"
+}