deploy.sh

#!/bin/bash

BLUE_ENV=".env.blue"
GREEN_ENV=".env.green"
BASE_COMPOSE="docker-compose.base.yml"
BLUE_COMPOSE="docker-compose.blue.yml"
GREEN_COMPOSE="docker-compose.green.yml"
if sudo docker ps --filter "name=mosu-server-blue" --format '{{.Names}}' | grep -q "mosu-server-blue"; then
        CURRENT_ENV=$BLUE_ENV
        CURRENT_CONTAINER="mosu-server-blue"
elif sudo docker ps --filter "name=mosu-server-green" --format '{{.Names}}' | grep -q "mosu-server-green"; then
        CURRENT_ENV=$GREEN_ENV
        CURRENT_CONTAINER="mosu-server-green"
else
        echo "실행 중인 컨테이너가 없습니다."
        exit 1
fi
CURRENT_PORT=$(grep SPRING_PORT $CURRENT_ENV | cut -d '=' -f2)

echo "현재 포트 : $CURRENT_PORT"
if [ "$CURRENT_PORT" == "8081" ]; then
  TARGET_PORT=8082
  TARGET_ENV=$GREEN_ENV
  TARGET_COMPOSE=$GREEN_COMPOSE
  PREV_CONTAINER="mosu-server-blue"
else
  TARGET_PORT=8081
  TARGET_ENV=$BLUE_ENV
  TARGET_COMPOSE=$BLUE_COMPOSE
  PREV_CONTAINER="mosu-server-green"
fi

echo "=== 배포 대상 ==="
echo "포트: $TARGET_PORT"
echo "env 파일: $TARGET_ENV"
echo "compose 파일: $TARGET_COMPOSE"
echo "이전 컨테이너: $PREV_CONTAINER"

sudo docker compose -f $BASE_COMPOSE -f $TARGET_COMPOSE --env-file $TARGET_ENV up -d --build

check_heartbeat() {
  local url=$1
  local retries=100
  local wait=3
  local count=0

  while [ $count -lt $retries ]; do
    if curl --silent --fail "$url" > /dev/null; then
      return 0
    fi
    echo "헬스 체크 실패, 재시도 중... ($((count+1))/$retries)"
    sleep $wait
    ((count++))
  done
  return 1
}

HEALTH_URL="http://localhost:${TARGET_PORT}/api/v1/actuator/health"
echo "새 컨테이너 헬스 체크 시작: $HEALTH_URL"

if ! check_heartbeat "$HEALTH_URL"; then
  echo "❌ 새 컨테이너 헬스 체크 실패. 배포 중단."
  exit 1
fi

echo "✅ 새 컨테이너 헬스 체크 성공."

sudo sed -i -E "s|(reverse_proxy /api/v1/\* localhost:)[0-9]+|\1${TARGET_PORT}|" /etc/caddy/Caddyfile
sudo systemctl reload caddy
echo "Caddy 라우팅 ${TARGET_PORT} 로 변경 완료."

echo "이전 컨테이너 $PREV_CONTAINER 중지 및 제거"
sudo docker stop $PREV_CONTAINER || true
sudo docker rm $PREV_CONTAINER || true


echo "✅ 배포 완료! 현재 운영 포트: $TARGET_PORT"