Docker Build Pipeline with Tags

.github/workflows/publish.yml

@@ -1,22 +1,35 @@
 name: publish
 
-on: [push]
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'main'
 
 jobs:
-  main_push_to_registry:
-    name: Push Docker image to GitHub Packages as with Tag 'latest'
+  docker-build:
     runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/main'
     steps:
-      - name: Check out the repo
-        uses: actions/checkout@v2
-      - name: Push to GitHub Packages
-        uses: docker/build-push-action@v1
+      - uses: actions/checkout@v4
+      - uses: docker/metadata-action@v5
+        id: meta
         with:
-          context: ./
-          dockerfile: ./Dockerfile
+          images: ghcr.io/${{ github.repository }}
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-          registry: ghcr.io
-          repository: protomaps/go-pmtiles
-          tags: main
+      - uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=target,annotation-index.org.opencontainers.image.description=See https://github.com/protomaps/go-pmtiles for more info.