feat: skip conversion when output file exists, add --overwrite option… #171

	name: Build and Push Docker Image

	on:
	push:
	branches:
	- main
	tags:
	- v*
	pull_request:
	branches:
	- main

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Log in to Container Registry
	if: github.event_name == 'push'
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Determine image tag
	id: tag
	run: \|
	if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
	echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
	else
	echo "tag=latest" >> $GITHUB_OUTPUT
	fi

	- name: Build Docker image
	working-directory: docker
	run: ./build.sh --tag ${{ steps.tag.outputs.tag }}

	- name: Tag and push Docker image
	if: github.event_name == 'push'
	run: \|
	docker tag bag_converter:${{ steps.tag.outputs.tag }} ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
	docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}

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