Changing source of tutorial to https://github.com/docker/metadata-action

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: ci
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'master'
+    tags:
+      - '*'
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: name/app
+      -
+        name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.PAT }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/release-please.yml

@@ -1,22 +0,0 @@
-on:
-  push:
-
-permissions:
-  contents: write
-  pull-requests: write
-
-name: release-please
-
-jobs:
-  release-please:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: googleapis/release-please-action@v4
-        with:
-          # this assumes that you have created a personal access token
-          # (PAT) and configured it as a GitHub action secret named
-          # `MY_RELEASE_PLEASE_TOKEN` (this secret name is not important).
-          token: ${{ secrets.PAT }}
-          # this is a built-in strategy in release-please, see "Action Inputs"
-          # for more options
-          release-type: simple