Update README about next tag

- Builds on the latest upstream version (currently 29.x)
- The previous (stable) version is still tagged as latest
- Removed tagging ghcr.io/0ranki/nextcloud-previews/nextcloud-previews
  images

.github/workflows/current.yml

@@ -1,18 +1,16 @@
-# This is a basic workflow to help you get started with Actions
-
 name: Daily build
 
 env:
-  NEXTCLOUD_UPSTREAM_VERSION: 28.0.6
+  NEXTCLOUD_UPSTREAM_VERSION: 28.0.7
   IMAGE_MAJOR_VERSION: 28
+  # Remember to change on.push.tags too!
 
-# Controls when the workflow will run
 on:
   schedule:
     - cron: "39 20 * * *"
   push:
     tags:
-      - "*"
+      - "28.*"
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -35,16 +33,13 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - uses: docker/build-push-action@v5
-        name: Daily build of ${{ env.IMAGE_MAJOR_VERSION }}.x
+        name: Daily build - current ( ${{ env.NEXTCLOUD_UPSTREAM_VERSION }} )
         with:
           context: .
           push: true
           platforms: linux/amd64,linux/arm64
           build-args: NEXTCLOUD_UPSTREAM_VERSION=${{ env.NEXTCLOUD_UPSTREAM_VERSION }}
           tags: |
-            ghcr.io/0ranki/nextcloud-previews/nextcloud:${{ env.NEXTCLOUD_UPSTREAM_VERSION }}
-            ghcr.io/0ranki/nextcloud-previews/nextcloud:${{ env.IMAGE_MAJOR_VERSION }}
-            ghcr.io/0ranki/nextcloud-previews/nextcloud:latest
             ghcr.io/0ranki/nextcloud-previews:${{ env.NEXTCLOUD_UPSTREAM_VERSION }}
             ghcr.io/0ranki/nextcloud-previews:${{ env.IMAGE_MAJOR_VERSION }}
             ghcr.io/0ranki/nextcloud-previews:latest

.github/workflows/next.yml

@@ -0,0 +1,45 @@
+name: Daily build
+
+env:
+  NEXTCLOUD_UPSTREAM_VERSION: 29.0.3
+  IMAGE_MAJOR_VERSION: 29
+  # Remember to change on.push.tags too!
+
+on:
+  schedule:
+    - cron: "39 20 * * *"
+  push:
+    tags:
+      - "29*"
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - 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.io
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/build-push-action@v5
+        name: Daily build - next ( ${{ env.NEXTCLOUD_UPSTREAM_VERSION }} )
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          build-args: NEXTCLOUD_UPSTREAM_VERSION=${{ env.NEXTCLOUD_UPSTREAM_VERSION }}
+          tags: |
+            ghcr.io/0ranki/nextcloud-previews:${{ env.NEXTCLOUD_UPSTREAM_VERSION }}
+            ghcr.io/0ranki/nextcloud-previews:${{ env.IMAGE_MAJOR_VERSION }}
+            ghcr.io/0ranki/nextcloud-previews:next

README.md

@@ -12,7 +12,7 @@ I strongly recommend using a specific major version in your docker-compose, kube
 ### Update to the image name
 Starting from version 27.1.4 the image is the same as the repo, **`ghcr.io/0ranki/nextcloud-previews`**
 
-The old `ghcr.io/0ranki/nextcloud-previews/nextcloud` still works, but pushes will stop at some point in the future.
+> **Tagging the old `ghcr.io/0ranki/nextcloud-previews/nextcloud` has been stopped.**
 
 ## Usage
 
@@ -27,6 +27,11 @@ Simply use `ghcr.io/0ranki/nextcloud-previews:<version>`
 instead of `docker.io/library/nextcloud`.
 
 ### `latest` currently points to 28.0.x
+#### `next` currently points to 29.0.x
+
+The latest version stays one version behind the current upstream latest image.
+In addition to the `latest` tag, there's also the `next` tag, which is the latest released
+Nextcloud version.
 
 To pull e.g. version 27.1.4:
 ```