优化生产日志

backend/.env.prod.example

@@ -16,7 +16,7 @@ REDIS_DB=0
 JWT_SECRET=change-to-a-long-random-secret
 
 LOG_LEVEL=info
-LOG_DIR=logs
+LOG_DIR=/app/logs
 LOG_ENABLE_CONSOLE=true
 LOG_ENABLE_FILE=true
 

deploy/README.md

@@ -49,6 +49,12 @@ STORAGE_SECRET_ACCESS_KEY
 ./scripts/deploy-prod.sh --logs
 ```
 
+后端运行日志会同时输出到 Docker 控制台，并写入宿主机：
+
+```text
+backend/logs/app-YYYY-MM-DD.log
+```
+
 测试阶段需要清空并重建数据库时：
 
 ```bash

deploy/docker-compose.prod.yml

@@ -47,6 +47,8 @@ services:
     restart: unless-stopped
     env_file:
       - ../backend/.env
+    volumes:
+      - ../backend/logs:/app/logs
     depends_on:
       mysql:
         condition: service_healthy

scripts/deploy-prod.sh

@@ -4,6 +4,7 @@ set -euo pipefail
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 COMPOSE_FILE="${ROOT_DIR}/deploy/docker-compose.prod.yml"
 BACKEND_ENV="${ROOT_DIR}/backend/.env"
+BACKEND_LOG_DIR="${ROOT_DIR}/backend/logs"
 MIGRATIONS_DIR="${ROOT_DIR}/backend/migrations"
 HEALTH_URL="${PROD_HEALTH_URL:-http://127.0.0.1:7890/api/health}"
 PUBLIC_URL="${PROD_PUBLIC_URL:-http://hfb.221329.cc.cd:7890}"
@@ -168,6 +169,10 @@ compose() {
   docker compose -f "${COMPOSE_FILE}" "$@"
 }
 
+prepare_log_dir() {
+  mkdir -p "${BACKEND_LOG_DIR}"
+}
+
 wait_service_healthy() {
   local service="$1"
   local label="$2"
@@ -302,6 +307,7 @@ main() {
   need_cmd docker
   need_cmd curl
   validate_env
+  prepare_log_dir
 
   log "检查 Docker Compose 配置..."
   compose config >/dev/null