Nifi 2.0 script & workflow updates

.github/dependabot.yml

@@ -0,0 +1,22 @@
+version: 2
+updates:
+  # Keep GitHub Actions (in .github/workflows) up to date
+  - package-ecosystem: "github-actions"
+    directory: "/"  # this is correct even if workflows are in .github/workflows
+    schedule:
+      interval: "weekly"
+
+  # Keep Dockerfile base images (in repo root) up to date
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    registries:
+      - dockerhub
+
+registries:
+  dockerhub:
+    type: "docker-registry"
+    url: "https://index.docker.io"
+    username: "${{secrets.DOCKER_HUB_USERNAME}}"
+    password: "${{secrets.DOCKER_HUB_ACCESS_TOKEN}}"

.github/workflows/_docker-template.yml

@@ -0,0 +1,131 @@
+name: Docker Multi-Arch Template
+
+permissions:
+  contents: read
+
+on:
+  workflow_call:
+    inputs:
+      image:
+        description: "Full image name, e.g. cogstacksystems/cogstack-nifi"
+        required: true
+        type: string
+      context:
+        description: "Docker build context path"
+        required: true
+        type: string
+      dockerfile:
+        description: "Path to Dockerfile"
+        required: true
+        type: string
+      cache_scope:
+        description: "Cache key (unique per image)"
+        required: true
+        type: string
+      build_args:
+        description: "Optional Docker build args (newline-separated)"
+        required: false
+        default: ""
+        type: string
+
+concurrency:
+  group: docker-${{ inputs.image }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # -------- Build per-architecture ----------
+  build:
+    runs-on: ${{ matrix.runner }}
+    strategy:
+      matrix:
+        platform: [amd64, arm64]
+        include:
+          - platform: amd64
+            runner: ubuntu-22.04
+          - platform: arm64
+            runner: ubuntu-22.04-arm
+    outputs:
+      digest: ${{ steps.push.outputs.digest }}
+
+    steps:
+      - uses: actions/checkout@v5
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
+
+      - if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ inputs.image }}
+          tags: |
+            # vX.Y.Z -> X.Y.Z and X.Y (strip leading "v")
+            type=semver,pattern={{version}},prefix=v
+            type=semver,pattern={{major}}.{{minor}},prefix=v
+            # latest on main and on v-tags
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') }}
+            # branch tag for non-PR branches
+            type=ref,event=branch,enable=${{ github.event_name != 'pull_request' }}
+            # short sha
+            type=sha,format=short
+
+      - name: Build & push (${{ matrix.platform }})
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ inputs.context }}
+          file: ${{ inputs.dockerfile }}
+          platforms: linux/${{ matrix.platform }}
+          build-args: ${{ inputs.build_args }}
+          tags: |
+            ${{ steps.meta.outputs.tags }}-${{ matrix.platform }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha,scope=${{ inputs.cache_scope }}-${{ matrix.platform }}
+          cache-to: type=gha,mode=max,scope=${{ inputs.cache_scope }}-${{ matrix.platform }}
+          push: ${{ github.event_name != 'pull_request' }}
+          provenance: false
+
+  # -------- Merge both architectures ----------
+  manifest:
+    runs-on: ubuntu-22.04
+    if: github.event_name != 'pull_request'
+    needs: build
+
+    steps:
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      - name: Docker metadata (again)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ inputs.image }}
+          tags: |
+            type=semver,pattern={{version}},prefix=v
+            type=semver,pattern={{major}}.{{minor}},prefix=v
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') }}
+            type=ref,event=branch,enable=${{ github.event_name != 'pull_request' }}
+            type=sha,format=short
+
+      - name: Create multi-arch manifest
+        shell: bash
+        run: |
+          set -euo pipefail
+          while IFS= read -r ref; do
+            [[ -z "$ref" ]] && continue
+            img="${ref%%:*}"
+            tag="${ref#*:}"
+            echo "🌀 Creating manifest for ${img}:${tag}"
+            docker buildx imagetools create \
+              --tag "${img}:${tag}" \
+              "${img}:${tag}-amd64" \
+              "${img}:${tag}-arm64"
+          done < <(printf "%s" "${{ steps.meta.outputs.tags }}")

.github/workflows/doc-build.yml

@@ -1,7 +1,6 @@
 name: sphinx-doc-build
 
 on:
-
   push:
     branches: [ main ]
   pull_request:
@@ -10,21 +9,20 @@ on:
   release:
     types: [published]
 
-  # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-jobs:
+permissions:
+  contents: read
 
+jobs:
   build:
-
     runs-on: ubuntu-latest
 
     env:
       working-directory: ./docs
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Build docs
         run: |