Revert "Remove the need for secrets at Docker build" #306

	# Attempt to build (but not push) the Docker image on Pull Requests
	name: Image build
	on:
	pull_request:
	branches:
	- main
	paths-ignore:
	- "**.md"
	- "docs/**"
	- "static/**"
	- "LICENSE"
	permissions:
	contents: read
	jobs:
	docker-image:
	name: Check docker image build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@6524bf65af31da8d45b59e8c27de4bd072b392f5 # v3
	- name: Fetch latest FE commit SHA
	id: fetch_commit_fe_sha
	run: \|
	echo "LATEST_RELEASE=$(curl -s "https://api.github.com/repos/stacklok/codegate-ui/releases/latest" -H "Authorization: Bearer ${{ secrets.GH_CI_TOKEN }}" \| grep '"zipball_url":' \| cut -d '"' -f 4)" >> $GITHUB_ENV
	- name: Test build on x86
	id: docker_build
	uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v5
	with:
	context: .
	file: ./Dockerfile
	platforms: linux/amd64
	push: false # Only attempt to build, to verify the Dockerfile is working
	load: true
	cache-from: type=gha
	cache-to: type=gha,mode=max
	secrets: \|
	gh_token=${{ secrets.GH_CI_TOKEN }}
	build-args: \|
	LATEST_RELEASE=${{ env.LATEST_RELEASE }}

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