add publish workflow

Author: maciaszczykm

.github/workflows/publish.yaml

@@ -0,0 +1,57 @@
+name: Publish
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  publish-docker:
+    name: Build and push custom image
+    runs-on: ubuntu-20.04
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+      packages: 'write'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/pluralsh/edge
+            docker.io/pluralsh/edge
+          tags: |
+            type=semver,pattern={{version}}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Login to Docker
+        uses: docker/login-action@v3
+        with:
+          username: mjgpluralsh
+          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: "."
+          file: "./Dockerfile"
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            GIT_COMMIT=${{ github.sha }}