bump container to 0.3.8 #54

	name: Build a BandcampSync container

	env:
	IMAGE_NAME: bandcampsync

	on:
	push:
	branches:
	- main

	jobs:
	containerise:
	runs-on: ubuntu-latest
	steps:
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	- name: Log into GitHub Container Registry
	run: echo "${{ secrets.REGISTRY_ACCESS_TOKEN }}" \| docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
	- name: Lowercase github username for ghcr
	id: string
	uses: ASzc/change-string-case-action@v1
	with:
	string: ${{ github.actor }}
	- name: Build and push
	uses: docker/build-push-action@v2
	with:
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ghcr.io/${{ steps.string.outputs.lowercase }}/${{ env.IMAGE_NAME }}:latest
	cache-from: type=registry,ref=ghcr.io/${{ steps.string.outputs.lowercase }}/${{ env.IMAGE_NAME }}:latest
	cache-to: type=inline
	build-args: \|
	IMAGE_NAME=${{ env.IMAGE_NAME }}

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