ci: Make builds release-channel aware. Add support for scheduled beta builds (#7323)

ADO-1121

---------

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

.github/workflows/docker-image-beta.yml

@@ -0,0 +1,45 @@
+name: Docker Image - Beta
+
+on:
+  schedule:
+    - cron: '0 2 * * *'
+  workflow_dispatch:
+      branch:
+        description: 'Branch to create image off.'
+        required: true
+        default: 'ai-tool-creation-breaking'
+      tag:
+        description: 'Name of the docker tag to create.'
+        required: true
+        default: 'ai-beta'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3.5.3
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.inputs.branch || 'ai-tool-creation-breaking' }}
+
+      - uses: docker/setup-qemu-action@v2
+      - uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2.2.0
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4.1.1
+        with:
+          context: .
+          file: ./docker/images/n8n-custom/Dockerfile
+          build-args: |
+            N8N_RELEASE_TYPE=beta
+          platforms: linux/amd64
+          provenance: false
+          push: true
+          tags: ${{ secrets.DOCKER_USERNAME }}/n8n:${{ github.event.inputs.tag || 'ai-beta' }}
+          no-cache: true

.github/workflows/docker-images-nightly.yml

@@ -73,6 +73,8 @@ jobs:
         uses: docker/build-push-action@v4.1.1
         with:
           context: .
+          build-args: |
+            N8N_RELEASE_TYPE=nightly
           file: ./docker/images/n8n-custom/Dockerfile
           platforms: linux/amd64
           provenance: false