add readme #22

	name: build docker images

	on:
	push:
	paths:
	- 'deepmod2/**'
	- 'deepmod2-gpu/**'
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	app:
	- deepmod2
	- deepmod2-gpu

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

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

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Read version file
	id: get_version
	run: echo "version=$(cat ${{ matrix.app }}/version)" >> $GITHUB_OUTPUT

	- name: Check if files changed
	id: files_changed
	run: \|
	if git diff-tree --no-commit-id --name-only -r HEAD \| grep -q "^${{ matrix.app }}/"; then
	echo "changed=true" >> $GITHUB_OUTPUT
	else
	echo "changed=false" >> $GITHUB_OUTPUT
	fi

	- name: Build and push Docker image
	if: ${{ steps.files_changed.outputs.changed == 'true' }}
	uses: docker/build-push-action@v4
	with:
	context: ${{ matrix.app }}
	push: true
	tags: ghcr.io/${{ github.repository_owner }}/${{ matrix.app }}:${{ steps.get_version.outputs.version }}
	build-args: \|
	BUILD_VERSION=${{ steps.get_version.outputs.version }}

	- name: Debug Output
	run: \|
	echo "Event name: ${{ github.event_name }}"
	echo "App: ${{ matrix.app }}"
	echo "Files changed: ${{ steps.files_changed.outputs.changed }}"
	echo "Version: ${{ steps.get_version.outputs.version }}"

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