OT dependency build (#5919)

.github/scripts/exclude_ci_files.txt

@@ -13,6 +13,7 @@
 .github/scripts/release-notes-update.sh
 .github/scripts/release-version-update.sh
 .github/workflows/build-base-images.yml
+.github/workflows/build-ot-dependency.yml
 .github/workflows/build-test-image.yml
 .github/workflows/cache-update.yml
 .github/workflows/cherry-pick.yml

.github/workflows/build-ot-dependency.yml

@@ -0,0 +1,97 @@
+name: Build OpenTracing Dependency
+
+on:
+  schedule:
+    - cron: "30 4 * * 1" # run Mon at 04:30 UTC
+  workflow_dispatch:
+    inputs:
+      nginx_version:
+        type: string
+        description: "NGINX Version to build OT for"
+        required: false
+
+env:
+  PLATFORMS: "linux/arm,linux/amd64,linux/arm64,linux/ppc64le,linux/s390x"
+
+concurrency:
+  group: ${{ github.ref_name }}-ot-build
+  cancel-in-progress: true
+
+jobs:
+  build-docker:
+    name: Build Docker Image
+    runs-on: ubuntu-22.04
+    permissions:
+      packages: write
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [debian, alpine]
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+        with:
+          repository: opentracing-contrib/nginx-opentracing
+          ref: master
+
+      - name: Variables
+        id: var
+        run: |
+          if [ -n "${{ inputs.nginx_version }}" ]; then
+            nginx_version="${{ inputs.nginx_version }}"
+          else
+            nginx_version=$(grep -m1 'FROM nginx:' <Dockerfile | awk -F'[: ]' '{print $3}')
+          fi
+          echo "nginx_version=${nginx_version}"
+          echo "nginx_version=${nginx_version}" >> $GITHUB_OUTPUT
+
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: arm,arm64,ppc64le,s390x
+
+      - name: Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          buildkitd-flags: --debug
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+        if: github.event_name != 'pull_request'
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            name=ghcr.io/nginxinc/dependencies/nginx-ot,enable=true
+          flavor: suffix=${{ matrix.os != 'debian' && format('-{0}', matrix.os) || '' }},onlatest=true
+          tags: |
+            type=raw,value=nginx-${{ steps.var.outputs.nginx_version }},enable=true
+        env:
+          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          file: ./Dockerfile
+          context: "."
+          pull: true
+          push: true
+          platforms: "linux/arm,linux/amd64,linux/arm64,linux/ppc64le,linux/s390x"
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          annotations: ${{ steps.meta.outputs.annotations }}
+          cache-from: type=gha,scope=${{ matrix.os }}
+          cache-to: type=gha,scope=${{ matrix.os }},mode=max
+          target: final
+          sbom: false
+          provenance: mode=max
+          build-args: |
+            BUILD_OS=${{ matrix.os }}
+            NGINX_VERSION=${{ steps.var.outputs.nginx_version }}