fix: Blank out EARTHLY_CACHE_PREFIX for consumers of the image #3

	name: Earthly main branch +all

	on:
	workflow_dispatch:
	push:
	branches:
	- main
	env:
	FORCE_COLOR: 1

	jobs:
	build:
	permissions:
	packages: write
	timeout-minutes: 30
	runs-on: ubuntu-latest

	steps:
	# There is a bug selecting a satellite in version 0.8
	# so we use 0.7 to login and connect to the satellite
	# before switching to the latest version
	- uses: earthly/actions-setup@v1
	with:
	version: v0.7.23

	- name: Earthly login
	run: \|
	earthly account login --token ${{ secrets.EARTHLY_SAT_TOKEN }} >> /dev/null
	earthly org s blue-build
	earthly sat s earthly-lib

	- uses: earthly/actions-setup@v1
	with:
	version: v0.8.2

	# Setup repo and add caching
	- uses: actions/checkout@v4
	with:
	ref: main

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Run build
	run: earthly --push --ci -P +all

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