Bump cloudpickle from 2.1.0 to 3.0.0 #48

	name: Build and Push Docker Image

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

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Cache Docker layers
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-

	- name: Log in to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v3
	with:
	context: .
	push: true
	platforms: linux/amd64,linux/arm64
	tags: ${{ secrets.DOCKER_USERNAME }}/jupyterlab-docker:latest

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