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clarify comment

clarify comment #50

Workflow file for this run

name: Docker build
on:
workflow_dispatch:
pull_request:
push:
jobs:
build-images:
name: Build Docker Images
runs-on: ubuntu-latest
strategy:
matrix:
include:
- tag: amd64
features: ""
arch: amd64
rust-target: x86_64-unknown-linux-musl
musl-target: x86_64-linux-musl
- tag: metrics-amd64
features: expose-metrics
arch: amd64
rust-target: x86_64-unknown-linux-musl
musl-target: x86_64-linux-musl
- tag: armv8
features: ""
arch: arm64/v8
rust-target: aarch64-unknown-linux-musl
musl-target: aarch64-linux-musl
- tag: metrics-armv8
features: expose-metrics
arch: arm64/v8
rust-target: aarch64-unknown-linux-musl
musl-target: aarch64-linux-musl
steps:
- name: Checkout sources
uses: actions/checkout@v4
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Login to GHCR
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.repository_owner }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Convert GITHUB_REPOSITORY into lowercase
run: |
echo "REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
- name: Build ${{ matrix.tag }}
if: github.ref != 'refs/heads/trunk' || github.event_name == 'pull_request'
uses: docker/build-push-action@v5
with:
push: false
tags: http-proxy:${{ matrix.tag }}
build-args: |
FEATURES=${{ matrix.features }}
RUST_TARGET=${{ matrix.rust-target }}
MUSL_TARGET=${{ matrix.musl-target }}
- name: Build and push ${{ matrix.tag }}
if: github.ref == 'refs/heads/trunk' && github.event_name != 'pull_request'
uses: docker/build-push-action@v5
with:
push: true
tags: http-proxy:${{ matrix.tag }}
build-args: |
FEATURES=${{ matrix.features }}
RUST_TARGET=${{ matrix.rust-target }}
MUSL_TARGET=${{ matrix.musl-target }}
create-manifest:
name: Create Docker manifests
runs-on: ubuntu-latest
needs: build-images
if: github.ref == 'refs/heads/trunk' && github.event_name != 'pull_request'
steps:
- name: Login to ghcr
run: |
echo "${{ secrets.GITHUB_TOKEN }}" | podman login -u ${{ github.repository_owner }} --password-stdin ghcr.io
- name: Convert GITHUB_REPOSITORY into lowercase
run: |
echo "REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
- name: Create manifest and push it
run: |
podman manifest create http-proxy-latest docker://ghcr.io/${REPO}:amd64 docker://ghcr.io/${REPO}:armv8
podman manifest create http-proxy-metrics docker://ghcr.io/${REPO}:metrics-amd64 docker://ghcr.io/${REPO}:metrics-armv8
podman manifest push --format v2s2 http-proxy-latest docker://ghcr.io/${REPO}:latest
podman manifest push --format v2s2 http-proxy-metrics docker://ghcr.io/${REPO}:metrics