Update build-backend.yml #2

	name: Backend Build

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

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	# Check out the main repository
	- name: Checkout main repository
	uses: actions/checkout@v2
	with:
	path: curio

	# Set up Python environment
	- name: Set up Python Environment
	uses: actions/setup-python@v2
	with:
	python-version: '3.9'

	# Backend setup
	- name: Install backend dependencies
	working-directory: ./curio/backend
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	- name: Run backend server
	working-directory: ./curio/backend
	run: \|
	nohup python server.py > backend.log 2>&1 &
	sleep 20
	cat backend.log

	# Python Sandbox setup
	- name: Install sandbox dependencies
	working-directory: ./curio/sandbox
	run: \|
	pip install -r requirements.txt
	pip install utk-0.8.9.tar.gz

	- name: Run sandbox server
	working-directory: ./curio/sandbox
	run: \|
	nohup python server.py > sandbox.log 2>&1 &
	sleep 20
	cat sandbox.log

	# Post-build tasks
	- name: Check for running processes
	run: \|
	ps aux \| grep server.py

	# Verify backend server (Port 5002)
	- name: Verify backend server
	run: \|
	curl http://localhost:5002/liveness \|\| echo "Backend not reachable"

	# Verify sandbox server (Port 2000)
	- name: Verify sandbox server
	run: \|
	curl http://localhost:2000/liveness \|\| echo "Sandbox not reachable"

	# Stop all servers
	- name: Stop all servers
	run: \|
	pkill -f "python server.py" \|\| true

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