docker hub integration

.github/workflows/docker-image.yml

@@ -0,0 +1,29 @@
+name: docker image
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  docker-image:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: setup QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: setup docker buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: login to docker hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: build an image and push
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: arcan1s/ahriman:latest