build-and-push-image #564
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name: build-and-push-image | |
on: | |
schedule: | |
- cron: '32 16 * * *' | |
push: | |
branches: [ main ] | |
workflow_dispatch: | |
env: | |
REGISTRY: ghcr.io | |
IMAGE_NAME: ${{ github.repository }} | |
jobs: | |
build: | |
runs-on: ubuntu-22.04 | |
permissions: | |
contents: read | |
packages: write | |
steps: | |
- name: Check if there is a new base image | |
if: github.event_name != 'push' | |
id: check | |
uses: twiddler/is-my-docker-parent-image-out-of-date@v1 | |
with: | |
parent-image: alpine:latest | |
my-image: ghcr.io/marius/postfix-sendgrid | |
- name: Get the postfix package version | |
id: check-package | |
run: | | |
set -Eeuxo pipefail | |
sudo apt install -y curl jq unzip gnupg skopeo | |
curl -L -o pup.zip https://github.com/ericchiang/pup/releases/download/v0.4.0/pup_v0.4.0_linux_amd64.zip | |
unzip pup.zip | |
echo "7e285aef7140609dcfe94153d6ee412fd9ea3a5b804670e1c772a75150ab711d pup" | sha256sum --check --status | |
package_version=$(curl -s https://pkgs.alpinelinux.org/package/edge/main/x86_64/postfix | ./pup 'th:contains("Version") + td strong a text{}') | |
container_version=$(skopeo inspect docker://ghcr.io/marius/postfix-sendgrid | jq -r '.Labels."postfix-package-version"') | |
echo "version=${package_version}" >> $GITHUB_OUTPUT | |
if [ "${container_version}" == "${package_version}" ]; then | |
echo "new=false" >> $GITHUB_OUTPUT | |
else | |
echo "new=true" >> $GITHUB_OUTPUT | |
fi | |
- name: Checkout repository | |
if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' | |
uses: actions/checkout@v3 | |
- name: Log into registry | |
if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' | |
uses: docker/login-action@v2 | |
with: | |
registry: ${{ env.REGISTRY }} | |
username: ${{ github.actor }} | |
password: ${{ secrets.GITHUB_TOKEN }} | |
- name: Extract Docker metadata | |
if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' | |
id: meta | |
uses: docker/metadata-action@v4 | |
with: | |
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
- name: Build and push Docker image | |
if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' | |
id: build-and-push | |
uses: docker/build-push-action@v3 | |
with: | |
context: . | |
push: true | |
tags: ghcr.io/marius/postfix-sendgrid:latest | |
labels: | | |
${{ steps.meta.outputs.labels }} | |
postfix-package-version=${{ steps.check-package.outputs.version }} |