Add GitHub Action to build and push

Signed-off-by: Silvio Moioli <[email protected]>

Author: moio

.github/workflows/release.yml

@@ -0,0 +1,33 @@
+name: release
+on:
+  push:
+    tags:
+      - '*'
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and Push Docker Image
+        uses: docker/build-push-action@v3
+        with:
+          context: "{{defaultContext}}:package"
+          platforms: linux/amd64,linux/arm64
+          push: true
+          build-args: |
+            GO_VERSION=1.18
+            DLV_VERSION=${{ github.ref_name }}
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ github.ref_name }}
+            ghcr.io/${{ github.repository }}:latest