Add github actions build

.github/workflows/test.yaml

@@ -0,0 +1,51 @@
+name: Test
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+    tags:
+      - v*
+  schedule:
+    - cron: 5 07 * * FRI
+
+jobs:
+  release-build:
+    name: Release Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone
+        uses: actions/checkout@v2
+      - name: Set up Docker buildx
+        uses: docker/setup-buildx-action@v1 
+      - name: Generate docker tags
+        uses: docker/metadata-action@v3
+        id: meta
+        with:
+          images: |
+            jkz0/qemu
+            ghcr.io/joshkunz/qemu-docker
+          tags: |
+            type=ref,event=tag
+          flavor: |
+            latest=true
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Login to Github Registry
+        uses: docker/login-action@v1
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and Push
+        uses: docker/build-push-action@v2
+        with:
+          push: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') }}
+          tags: ${{ steps.meta.outputs.tags }}