Initial commit (docker/build-push-action#87)

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

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - master
+      - releases/v*
+    paths-ignore:
+      - "**.md"
+  pull_request:
+    branches:
+      - master
+      - releases/v*
+    paths-ignore:
+      - "**.md"
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        image:
+          - tonistiigi/binfmt:latest
+          - tonistiigi/binfmt:master
+        platforms:
+          - all
+          - arm64,riscv64,arm
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2.3.1
+      -
+        name: Set up QEMU
+        id: qemu
+        uses: ./
+        with:
+          image: ${{ matrix.image }}
+          platforms: ${{ matrix.platforms }}
+      -
+        name: Available platforms
+        run: echo ${{ steps.qemu.outputs.platforms }}
+      -
+        name: Dump context
+        uses: crazy-max/ghaction-dump-context@v1