Document how to use this container for exposing host ports #35

	name: Build multi-arch Docker Image

	on:
	release:
	types: [published]
	push:
	branches: [main]
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Login to Docker Hub
	# Only if we need to push an image
	if: ${{ github.event_name == 'release' && github.event.action == 'published' }}
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	# Setup for buildx
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	with:
	image: tonistiigi/binfmt:qemu-v6.0.0-12
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v3
	with:
	version: v0.6.1

	# Debugging information
	- name: Docker info
	run: docker info
	- name: Buildx inspect
	run: docker buildx inspect

	# Build and (optionally) push the image
	- name: Build image
	uses: docker/build-push-action@v6
	with:
	context: .
	file: ./Dockerfile
	platforms: linux/amd64,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x
	# Only push if we are publishing a release
	push: ${{ github.event_name == 'release' && github.event.action == 'published' }}
	# Use a 'temp' tag, that won't be pushed, for non-release builds
	tags: testcontainers/sshd:${{ github.event.release.tag_name \|\| 'temp' }}

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