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incorporate review

incorporate review #10

name: build & publish Docker image
on:
push:
branches:
# TODO: rename master to main
- master
# TODO: remove before merge
- docker
jobs:
build-publish:
runs-on: ubuntu-latest
steps:
- name: checkout
uses: actions/checkout@v4
with:
submodules: recursive
- name: set up Docker buildx
uses: docker/setup-buildx-action@v2
- name: log into the GitHub Container Registry
uses: docker/login-action@v2
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ github.token }}
- name: lowercase repo name
id: lower-repo
uses: ASzc/change-string-case-action@v6
with:
string: ${{ github.repository }}
- name: set current date as env variable
id: version
run: |
echo "builddate=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
- name: build and push Docker image
uses: docker/build-push-action@v4
with:
file: Dockerfile
push: true
tags: |
ghcr.io/${{ steps.lower-repo.outputs.lowercase }}:latest,ghcr.io/${{ steps.lower-repo.outputs.lowercase }}:${{ steps.version.outputs.builddate }}
platforms: linux/amd64,linux/arm64
# https://docs.docker.com/build/ci/github-actions/cache/#cache-backend-api
cache-from: type=gha
cache-to: type=gha,mode=max