fix: Add python-is-python3 package and upgrade pip in GPU base image #31

	name: Publish Docker Image to GHCR

	on:
	push:
	branches:
	- master
	- release/*
	workflow_dispatch:

	jobs:
	build-and-push:
	name: Build and Push Docker Images
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Set image tags
	id: meta
	run: \|
	BRANCH_NAME=${GITHUB_REF##*/}
	echo "branch_tag=${BRANCH_NAME//\//-}" >> "$GITHUB_OUTPUT"

	# 1. QEMU setup for cross-platform emulation
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	with:
	platforms: all

	# 2. Buildx setup (ensures we have a multi-arch builder)
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	with:
	install: true

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	# 3. Multi-arch GPU image
	- name: Build and push GPU Docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	file: ./Dockerfile.pb
	platforms: linux/amd64
	push: true
	tags: \|
	ghcr.io/${{ github.repository }}:latest-gpu
	ghcr.io/${{ github.repository }}:${{ steps.meta.outputs.branch_tag }}-gpu
	build-args: \|
	BUILD_TYPE=gpu
	PY_VER=3.10
	TF_VER=2.9.2
	CUDA_TAG=11.8.0-cudnn8-runtime-ubuntu22.04
	# 4. Multi-arch CPU image
	- name: Build and push CPU Docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	file: ./Dockerfile.pb
	platforms: linux/amd64
	push: true
	tags: \|
	ghcr.io/${{ github.repository }}:latest-cpu
	ghcr.io/${{ github.repository }}:${{ steps.meta.outputs.branch_tag }}-cpu
	build-args: \|
	BUILD_TYPE=cpu
	PY_VER=3.10
	TF_VER=2.9.2

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