Basing the container on the official flatpak builder container to avo… #10

	name: "Build and Publish Docker Image"

	on:
	push:
	paths:
	- "Dockerfile" # Trigger only when the Dockerfile is modified
	- ".github/workflows/docker.yml" # Also triggers when the workflow itself is updated

	env:
	IMAGE_NAME: ghcr.io/retrodeck/retrodeck-builder:${{ github.sha }} # Image name with SHA tag

	jobs:
	build-and-push:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Repository
	uses: actions/checkout@v2

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build Docker Image
	run: \|
	docker build -t $IMAGE_NAME .

	- name: Push Docker Image to GitHub Container Registry
	run: \|
	docker push $IMAGE_NAME

	- name: Tag as Latest
	if: github.ref == 'refs/heads/main' # Only tag as 'latest' on the main branch
	run: \|
	docker tag $IMAGE_NAME ghcr.io/retrodeck/retrodeck-builder:latest
	docker push ghcr.io/retrodeck/retrodeck-builder:latest

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