feat: display guild count in bot status #9

	name: Docker Application Test

	on:
	pull_request

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Build Docker image
	run: docker build -t discord-tts-bot -f docker/Dockerfile .

	- name: Test application startup
	run: \|
	# アプリケーションを起動し、バックグラウンドで実行
	container_id=$(docker run -d discord-tts-bot)

	# 5秒待機してプロセスの状態を確認
	sleep 5

	# コンテナの状態を確認
	container_status=$(docker inspect $container_id --format='{{.State.Status}}')
	if [ "$container_status" != "running" ]; then
	echo "Container is not running. Status: $container_status"
	docker logs $container_id
	exit 1
	fi

	# プロセスの存在確認
	if ! docker exec $container_id pgrep discord-tts-bot > /dev/null; then
	echo "discord-tts-bot process is not running"
	docker logs $container_id
	exit 1
	fi

	echo "Application startup test passed successfully"
	docker stop $container_id

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