[CI] Seperate test case with CI #50

	name: Docker Base Image CI

	on:
	push:
	branches: [ "master" ]

	jobs:
	build:
	runs-on: self-hosted

	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: write

	steps:
	# Step 1: Checkout the repository
	- name: Checkout Code
	uses: actions/checkout@v4

	# Step 2: Log in to GitHub Container Registry
	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	# Step 3: Check if the Base Image Exists
	- name: Check if Base Image Exists
	id: check-image
	run: \|
	if docker pull ghcr.io/psal-postech/torchsim_base:latest; then
	echo "Base image already exists. Skipping build and push."
	echo "exists=true" >> $GITHUB_ENV
	else
	echo "Base image does not exist. Proceeding with build and push."
	echo "exists=false" >> $GITHUB_ENV
	fi

	# Step 4: Build and Push Docker Image
	- name: Build and Push Docker Image
	if: env.exists == 'false'
	uses: docker/build-push-action@v4
	with:
	context: .
	file: ./Dockerfile.base
	push: true
	tags: ghcr.io/psal-postech/torchsim_base:latest

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