ci: disable automated triggers and PR preview builds in docker-image.v1/v2

Comment out schedule, push and pull_request triggers so workflows run via manual workflow_dispatch.
Also disable the PR preview image build in v2 (commented) since the pipeline is intended for manual/controlled runs.

Author: KingPin

.github/workflows/docker-image.v1.yml

@@ -1,9 +1,9 @@
 name: Docker Image CI
 
 on:
-  schedule:
-    - cron: '31 16 * * 3'
   workflow_dispatch:
+  # schedule:
+  #   - cron: '31 16 * * 3'
 
 jobs:
   build:

.github/workflows/docker-image.v2.yml

@@ -1,27 +1,27 @@
 name: PHP Docker Build Pipeline
 
 on:
-  schedule:
-    - cron: '31 16 * * 3'
   workflow_dispatch:
-  push:
-    branches:
-      - main
-    paths:
-      - 'Dockerfile'
-      - '.github/workflows/docker-image.yml'
-      - 's6-overlay/**'
-      - '!README.md'
-      - '!*.md'
-      - '!docs/**'
-  pull_request:
-    paths:
-      - 'Dockerfile'
-      - '.github/workflows/docker-image.yml'
-      - 's6-overlay/**'
-      - '!README.md'
-      - '!*.md'
-      - '!docs/**'
+  # schedule:
+  #   - cron: '31 16 * * 3'
+  # push:
+  #   branches:
+  #     - main
+  #   paths:
+  #     - 'Dockerfile'
+  #     - '.github/workflows/docker-image.yml'
+  #     - 's6-overlay/**'
+  #     - '!README.md'
+  #     - '!*.md'
+  #     - '!docs/**'
+  # pull_request:
+  #   paths:
+  #     - 'Dockerfile'
+  #     - '.github/workflows/docker-image.yml'
+  #     - 's6-overlay/**'
+  #     - '!README.md'
+  #     - '!*.md'
+  #     - '!docs/**'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -269,19 +269,20 @@ jobs:
             ${{ env.GHCR_ADDITIONAL_TAGS }}
             ${{ env.QUAY_ADDITIONAL_TAGS }}
 
-      - name: Build PR preview image
-        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: true
-          platforms: linux/amd64
-          build-args: |
-            VERSION=${{ matrix.php-version }}-${{ matrix.php-type }}-${{ matrix.php-base-os }}
-            PHPVERSION=${{ matrix.php-version }}
-            BASEOS=${{ matrix.php-base-os }}
-          tags: |
-            ghcr.io/kingpin/${{ github.event.repository.name }}:pr-${{ github.event.pull_request.number }}-${{ env.IMAGE_NAME }}
+      # PR preview image build disabled because workflow now runs only via workflow_dispatch
+      # - name: Build PR preview image
+      #   if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository
+      #   uses: docker/build-push-action@v6
+      #   with:
+      #     context: .
+      #     push: true
+      #     platforms: linux/amd64
+      #     build-args: |
+      #       VERSION=${{ matrix.php-version }}-${{ matrix.php-type }}-${{ matrix.php-base-os }}
+      #       PHPVERSION=${{ matrix.php-version }}
+      #       BASEOS=${{ matrix.php-base-os }}
+      #     tags: |
+      #       ghcr.io/kingpin/${{ github.event.repository.name }}:pr-${{ github.event.pull_request.number }}-${{ env.IMAGE_NAME }}
 
       - name: Create and push manifest
         if: ${{ github.event_name != 'pull_request' && github.ref == 'refs/heads/main' && steps.check-changes.outputs.skip != 'true' }}