Docker #766
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name: Docker | |
on: | |
push: | |
# Publish `master` as Docker `latest` image. | |
branches: | |
- master | |
# Publish `v1.2.3` tags as releases. | |
tags: | |
- v* | |
# Automatically rebuild latest tag | |
schedule: | |
- cron: "7 23 * * *" | |
jobs: | |
# Push image to GitHub Packages. | |
# See also https://docs.docker.com/docker-hub/builds/ | |
push: | |
runs-on: ubuntu-latest | |
strategy: | |
matrix: | |
image: [rails, mailcatcher] | |
steps: | |
- uses: actions/checkout@v2 | |
- name: Build images | |
run: | | |
docker build ./docker/${{ matrix.image }} --tag ${{ matrix.image }} | |
- name: Log into registry | |
run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin | |
- name: Push images | |
run: | | |
IMAGE_ID=ghcr.io/${{ github.repository }}/${{ matrix.image }} | |
# Change all uppercase to lowercase | |
IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]') | |
# Strip git ref prefix from version | |
VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,') | |
# Strip "v" prefix from tag name | |
[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//') | |
# Use Docker `latest` tag convention | |
[ "$VERSION" == "master" ] && VERSION=latest | |
echo IMAGE_ID=$IMAGE_ID | |
echo VERSION=$VERSION | |
docker tag ${{ matrix.image }} $IMAGE_ID:$VERSION | |
docker push $IMAGE_ID:$VERSION |