monocle 1.4.0

A commandline application to search, parse, and process BGP information in public sources.
Documentation 
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name: Docker

on:
  push:
    # On merge/push to main → tag as bgpkit/monocle:main
    branches:
      - main
    paths:
      - "Dockerfile"
      - "docker-compose.yml"
      - "src/**"
      - "Cargo.toml"
      - "Cargo.lock"
      - ".dockerignore"
      - ".github/workflows/docker.yml"
    # On new version tag → tag as bgpkit/monocle:{version} and bgpkit/monocle:latest
    tags:
      - v[0-9]+.*

permissions:
  contents: read

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            architecture: amd64
            runner: ubuntu-latest
          - platform: linux/arm64
            architecture: arm64
            runner: ubuntu-24.04-arm
    runs-on: ${{ matrix.runner }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: bgpkit/monocle
          # On branch push to main: type=ref,event=branch → "main"
          # On tag push v1.3.0: type=semver → "1.3.0", "1.3", and "latest"
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}

      - name: Login to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=bgpkit/monocle,push-by-digest=true,name-canonical=true,push=true
          cache-from: type=registry,ref=bgpkit/monocle:buildcache-${{ matrix.architecture }}
          cache-to: type=registry,ref=bgpkit/monocle:buildcache-${{ matrix.architecture }},mode=max

      - name: Export digest
        run: |
          mkdir -p "${{ runner.temp }}/digests"
          digest="${{ steps.build.outputs.digest }}"
          touch "${{ runner.temp }}/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.architecture }}
          path: ${{ runner.temp }}/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: bgpkit/monocle
          # On branch push to main: type=ref,event=branch → "main"
          # On tag push v1.3.0: type=semver → "1.3.0", "1.3", and "latest"
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}

      - name: Login to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: ${{ runner.temp }}/digests
          pattern: digests-*
          merge-multiple: true

      - name: Create and push manifest list
        working-directory: ${{ runner.temp }}/digests
        env:
          DOCKER_METADATA_OUTPUT_JSON: ${{ steps.meta.outputs.json }}
        run: |
          args=()
          while IFS= read -r tag; do
            args+=(--tag "$tag")
          done < <(jq -r '.tags[]' <<< "$DOCKER_METADATA_OUTPUT_JSON")
          for digest in *; do
            args+=("bgpkit/monocle@sha256:$digest")
          done
          docker buildx imagetools create "${args[@]}"