refactor: revert CI to separate jobs #5

	---
	name: CI/CD for Nix Dotfiles

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build-docker-image:
	runs-on: ubuntu-latest
	outputs:
	image_name: ${{ steps.build.outputs.image_name }}
	steps:
	- name: Check out repository
	uses: actions/checkout@v4

	- name: Build Docker image
	id: build
	run: \|
	IMAGE_NAME="nix-test-env:$(git rev-parse --short HEAD)"
	docker build -t ${IMAGE_NAME} -f ./nix_test_env/Dockerfile .
	echo "image_name=${IMAGE_NAME}" >> $GITHUB_OUTPUT

	tests:
	runs-on: ubuntu-latest
	needs: build-docker-image
	steps:
	- name: Check out repository
	uses: actions/checkout@v4

	- name: Pull Docker image (if not cached)
	run: docker pull ${{ needs.build-docker-image.outputs.image_name }} \
	\|\| true

	- name: Run container
	run: \|
	CONTAINER_NAME="nix-test-container-git"
	IMAGE_NAME="${{ needs.build-docker-image.outputs.image_name }}"
	docker run --name ${CONTAINER_NAME} -d ${IMAGE_NAME} tail -f /dev/null

	- name: Run Git config test in container
	run: \|
	docker exec ${CONTAINER_NAME} home-manager switch
	docker exec ${CONTAINER_NAME} bash -c \
	"source /root/.nix-profile/etc/profile.d/nix.sh && \
	git config --global user.name \| grep 'PedroBrantes'"

	- name: Run Editor env test in container
	run: \|
	docker exec ${CONTAINER_NAME} home-manager switch
	docker exec ${CONTAINER_NAME} bash -c \
	"source /root/.nix-profile/etc/profile.d/nix.sh && \
	printenv EDITOR \| grep 'nvim'"

	- name: Clean up container
	run: \|
	docker rm -f ${CONTAINER_NAME} # Clean up after test

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