ci: remove dangling packages from CI workers #59

	name: Test Security Tools container build
	on:
	push:
	branches:
	- main
	- develop
	pull_request:
	branches:
	- main
	- develop

	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	steps:
	# This step takes ages (~4-5 min) but frees around 20 additional gigabytes
	# that are quite useful when installing and running everything.
	- name: Free up some disk space
	uses: jlumbroso/free-disk-space@main
	with:
	tool-cache: false
	android: true
	dotnet: true
	haskell: true
	large-packages: false
	swap-storage: false
	docker-images: false

	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Load .env file
	id: dotenv
	uses: xom9ikk/dotenv@v2

	- name: Prepare build args
	id: prep
	run: \|
	{
	echo 'BUILD_ARGS<<EOF'
	while IFS='=' read -r key value; do
	if [[ ! -z "$key" && ! "$key" =~ ^# ]]; then
	echo "${key}=${value}"
	fi
	done < .env
	echo 'EOF'
	} >> $GITHUB_OUTPUT

	- name: Build container
	uses: docker/build-push-action@v6
	with:
	push: false
	context: .
	cache-from: type=gha
	cache-to: type=gha,mode=max
	tags: theredguild/container-sec-tools:latest
	build-args: ${{ steps.prep.outputs.BUILD_ARGS }}

	- name: Check disk space
	run: df -h

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