add image build

.github/workflows/image_build.yml

@@ -0,0 +1,31 @@
+name: "Docker image build"
+
+#on:
+#  push:
+#    branches:
+#      - 'main'
+
+on: [push, pull_request]
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        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: Login to DockerHub
+#        uses: docker/login-action@v1
+#        with:
+#          username: ${{ secrets.DOCKERHUB_USERNAME }}
+#          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          dockerfile: aprsc.dockerfile
+          push: true
+          tags: peterus/trackdirect:aprsc