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Add GH action

Add GH action #2

Workflow file for this run

name: Push image
on:
schedule:
# Rebuild once a week
- cron: '0 0 * * 0'
push:
branches: [ main ]
# Allow running this workflow manually from the Actions tab
workflow_dispatch:
jobs:
build:
runs-on: ubuntu-latest
steps:
- name: Checkout image repo
uses: actions/checkout@v3
- name: Checkout upstream repo
uses: actions/checkout@v3
with:
repository: mailhog/mailhog
token: ${{ secrets.GITHUB_TOKEN }}
path: upstream
- name: Login to GitHub Container Registry
uses: docker/login-action@v2
with:
registry: ghcr.io
username: ${{ github.repository_owner }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Create tags
id: create-tag
run: |
GHCR_IMAGE=ghcr.io/${{ github.repository_owner }}/mailhog
# Find latest tag
VERSION="$(cd upstream && git describe --tags $(git rev-list --tags --max-count=1))"
VERSION_DATE="$VERSION-$(date +'%Y-%m-%d')"
TAGS="${GHCR_IMAGE}:latest,${GHCR_IMAGE}:${VERSION},${GHCR_IMAGE}:${VERSION_DATE}"
echo "TAGS=${TAGS}" | tee -a $GITHUB_ENV
- name: Build and push
id: docker_build
uses: docker/build-push-action@v5
with:
context: .
push: true
tags: ${{ env.TAGS }}
labels: |
org.opencontainers.image.authors=${{ github.repository_owner }}
org.opencontainers.image.created=${{ env.BUILD_DATE }}
org.opencontainers.image.description=Created from commit ${{ env.GIT_SHA }} and ref ${{ env.GIT_REF }}
org.opencontainers.image.ref.name=${{ env.GIT_REF }}
org.opencontainers.image.revision=${{ env.GIT_SHA }}
org.opencontainers.image.source=https://github.com/${{ github.repository }}
org.opencontainers.image.description=Created from commit ${{ env.GIT_SHA}} and ref ${{ env.GIT_REF }}