Create main.yml

Create the yml file for the github action

.github/workflows/main.yml

@@ -0,0 +1,49 @@
+name: Build
+on:
+  workflow_dispatch
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*.*.*'
+
+permissions: 
+  packages: write
+
+jobs:
+  build:
+    runs-on: obuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      # https://github.com/docker/setup-qemu-action
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Docker meta
+        id: image_metadata # you'll use this in the next step
+        uses: docker/metadata-action@v3
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            iombian-button-handler
+          # Docker tags based on the following events/attributes
+          tags: |
+            type=semver,pattern={{version}}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm/v7
+          tags: ${{ steps.image_metadata.outputs.tags }}
+          labels: ${{ steps.image_metadata.outputs.labels }}