Fix keep previous backups issue #9

	name: Docker Build and Push
	on:
	push:
	branches:
	- main

	env:
	DOCKER_REGISTRY: aminvsf
	DOCKER_USERNAME: ${{ secrets.PGBACKUP_REGISTRY_USERNAME }}
	DOCKER_PASSWORD: ${{ secrets.PGBACKUP_REGISTRY_PASSWORD }}
	DOCKER_IMAGE_NAME: pg-backup
	TAG: v${{ github.run_number }}

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

	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to Docker registry
	run: echo "${{ env.DOCKER_PASSWORD }}" \| docker login -u ${{ env.DOCKER_USERNAME }} --password-stdin

	- name: Build and Push Docker image
	run: \|
	docker build -t ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_IMAGE_NAME }}:${{ env.TAG }} .
	docker push ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_IMAGE_NAME }}:${{ env.TAG }}

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