Add CI config

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform: [linux/386, linux/amd64, linux/arm64/v8]
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Build containers
+        uses: docker/build-push-action@v2
+        with:
+          platforms: ${{ matrix.platform }}
+          load: true
+
+      - name: Show image info
+        run: docker images
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install compilers
+        run: sudo apt install build-essential
+
+      - name: compile
+        run: make