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#!/usr/bin/env bash
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# 低内存首次部署：串行 build 1 次，web/worker 共用镜像
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# 用法：bash deploy/install-bt-host-mysql-lowmem.sh
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set -euo pipefail
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ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
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COMPOSE_FILE="${ROOT_DIR}/deploy/docker-compose.bt-host-mysql.yml"
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ENV_FILE="${ROOT_DIR}/.env"
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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log() { echo -e "${GREEN}[deploy-lowmem]${NC} $*"; }
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warn() { echo -e "${YELLOW}[deploy-lowmem]${NC} $*"; }
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err() { echo -e "${RED}[deploy-lowmem]${NC} $*" >&2; }
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if [[ ! -f "$ENV_FILE" ]]; then
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err "缺少 .env，请先 cp deploy/.env.bt-host-mysql.example .env 并填写"
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exit 1
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fi
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if command -v free >/dev/null 2>&1; then
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total_kb="$(free -k | awk '/^Mem:/{print $2}')"
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avail_kb="$(free -k | awk '/^Mem:/{print $7}')"
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log "内存：总计约 $((total_kb / 1024))MB，可用约 $((avail_kb / 1024))MB"
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if [[ -n "${avail_kb:-}" && "$avail_kb" -lt 1500000 ]]; then
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warn "可用内存偏低。建议先停查价等其它 Docker 项目，或加 2G Swap 后再部署。"
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fi
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fi
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mkdir -p "${ROOT_DIR}/data"
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cd "$ROOT_DIR"
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compose=(docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE")
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export DOCKER_BUILDKIT=1
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export BUILDKIT_MAX_PARALLELISM=1
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log "停止可能半成品的容器…"
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"${compose[@]}" down --remove-orphans 2>/dev/null || true
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log "串行构建镜像（仅 1 次，web/worker 共用 yubao-app:latest）…"
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warn "Next.js 编译峰值约 2~4GB，期间 CPU/内存会飙高，服务器变慢属正常"
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"${compose[@]}" build web
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log "启动 web + worker…"
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"${compose[@]}" up -d
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log "同步数据库结构…"
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"${compose[@]}" run --rm --no-deps web pnpm exec prisma db push --skip-generate
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log "同步默认账号…"
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"${compose[@]}" run --rm --no-deps web pnpm db:seed || true
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"${compose[@]}" ps
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APP_PORT="$(grep -E '^APP_PORT=' "$ENV_FILE" | tail -1 | cut -d= -f2- | tr -d '\r' || echo 30327)"
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PUBLIC_HOST="$(grep -E '^PUBLIC_HOST=' "$ENV_FILE" | tail -1 | cut -d= -f2- | tr -d '\r' || echo 127.0.0.1)"
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log "完成 → http://${PUBLIC_HOST}:${APP_PORT}/login"
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