Remove reference to `{:system, env_var}` from docs (#6448) #259

	name: Assets

	on:
	push:
	branches:
	- main
	- "v."

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-24.04
	env:
	elixir: 1.18.3
	otp: 27.2
	permissions:
	contents: write # for stefanzweifel/git-auto-commit-action to push code in repo
	steps:
	- name: Checkout
	uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0

	- name: Set up Elixir
	uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.20.4
	with:
	elixir-version: ${{ env.elixir }}
	otp-version: ${{ env.otp }}

	- name: Restore deps and _build cache
	uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
	with:
	path: \|
	deps
	_build
	key: ${{ runner.os }}-mix-${{ env.elixir }}-${{ env.otp }}-${{ hashFiles('**/mix.lock') }}-dev
	restore-keys: \|
	${{ runner.os }}-mix-${{ env.elixir }}-${{ env.otp }}-
	- name: Install Dependencies
	run: mix deps.get --only dev

	- name: Set up Node.js 20.x
	uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
	with:
	node-version: 20.x

	- name: Restore npm cache
	uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
	with:
	path: ~/.npm
	key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Install npm dependencies
	run: npm ci

	- name: Build assets
	run: mix assets.build

	- name: Push updated assets
	id: push_assets
	uses: stefanzweifel/git-auto-commit-action@778341af668090896ca464160c2def5d1d1a3eb0 # v6.0.1
	with:
	commit_message: Update assets
	file_pattern: priv/static

Provide feedback