Update Dockerfile (#351). Fix #360 #272

	name: Bakerydemo CI

	on:
	push:
	pull_request:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	lint-server:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	cache: 'pip'
	cache-dependency-path: 'requirements/*.txt'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements/development.txt
	- name: Lint server
	run: \|
	make lint-server
	lint-client:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Node
	uses: actions/setup-node@v4
	with:
	node-version-file: '.nvmrc'
	cache: 'npm'
	- name: Install dependencies
	run: npm ci
	- name: Lint client
	run: \|
	make lint-client

Provide feedback