reworked tags: always dev, latest and date on main ; added manual #5

	name: Kiwix-build container images

	on:
	push:
	paths:
	- 'kiwix-build_ci/**'
	workflow_dispatch
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	env:
	IMAGE_PREFIX: ghcr.io/kiwix/kiwix-build_ci_

	jobs:
	Container:
	strategy:
	fail-fast: false
	matrix:
	variant: [f35, focal, bionic, alpine]
	runs-on: ubuntu-22.04

	steps:
	- name: Get current date
	run: echo "DATE=$(date +'%Y-%m-%d')" >> $GITHUB_ENV

	- name: Retrieve the code
	uses: actions/checkout@v3

	- name: Setup container image name
	id: env
	run: \|
	echo "IMAGE_NAME=${{ env.IMAGE_PREFIX }}${{ matrix.variant }}" >> $GITHUB_ENV

	- name: Build container image
	run: \|
	docker build -t ${{ env.IMAGE_NAME }}:dev - < kiwix-build_ci/${{ matrix.variant }}_builder.dockerfile

	- name: Upload container image to :dev
	run: \|
	echo "${{ secrets.GHCR_TOKEN }}" \| docker login ghcr.io -u "${{ secrets.GHCR_USERNAME }}" --password-stdin
	docker push ${{ env.IMAGE_NAME }}:dev

	- name: Update production tags
	if: github.event.ref == 'refs/heads/main'
	run: \|
	docker tag ${{ env.IMAGE_NAME }}:dev ${{ env.IMAGE_NAME }}:${{ env.DATE }}
	docker push ${{ env.IMAGE_NAME }}:${{ env.DATE }}
	docker tag ${{ env.IMAGE_NAME }}:dev ${{ env.IMAGE_NAME }}:latest
	docker push ${{ env.IMAGE_NAME }}:latest

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