优化Docker配置：支持通过默认值动态设置环境变量

CONFIG.md

@@ -101,3 +101,5 @@ BingPaper 支持通过配置文件（YAML）和环境变量进行配置。
 - `BINGPAPER_STORAGE_TYPE=s3`
 - `BINGPAPER_STORAGE_S3_BUCKET=my-images`
 - `BINGPAPER_ADMIN_PASSWORD_BCRYPT="$2a$10$..."`
+- `HOST_PORT=8080` (仅限 Docker Compose 部署，控制宿主机映射到外部的端口)
+- `BINGPAPER_SERVER_PORT=8080` (控制应用监听端口及容器内部端口)

Dockerfile

@@ -1,8 +1,11 @@
 # Stage 1: Build Frontend
 FROM --platform=$BUILDPLATFORM node:20-alpine AS node-builder
+ARG NPM_REGISTRY
 WORKDIR /webapp
 # 复制 package.json 和 lock 文件以利用 layer 缓存
 COPY webapp/package*.json ./
+# 如果设置了 NPM_REGISTRY，则配置 npm 镜像
+RUN if [ -n "$NPM_REGISTRY" ]; then npm config set registry $NPM_REGISTRY; fi
 # 使用 npm ci 以获得更快且可重现的构建（如果存在 package-lock.json）
 RUN if [ -f package-lock.json ]; then npm ci; else npm install; fi
 # 复制其余源码并构建
@@ -11,6 +14,8 @@ RUN npm run build
 
 # Stage 2: Build Backend
 FROM --platform=$BUILDPLATFORM golang:1.25.5-alpine AS builder
+ARG GOPROXY
+ENV GOPROXY=$GOPROXY
 # 安装 Git 以支持某些 Go 模块依赖
 RUN apk add --no-cache git
 WORKDIR /app

docker-compose.yml

@@ -1,31 +1,36 @@
 services:
   bingpaper:
-    build: .
+    build:
+      context: .
+      args:
+        - GOPROXY=${GOPROXY:-https://proxy.golang.org,direct}
+        - NPM_REGISTRY=${NPM_REGISTRY:-https://registry.npmjs.org/}
     container_name: bingpaper
     restart: always
     ports:
-      - "8080:8080"
+      - "${HOST_PORT:-8080}:${BINGPAPER_SERVER_PORT:-8080}"
     volumes:
       - ./data:/app/data
     environment:
-      - BINGPAPER_SERVER_PORT=8080
-      - BINGPAPER_LOG_LEVEL=info
-      - BINGPAPER_API_MODE=local
-      - BINGPAPER_CRON_ENABLED=true
-      - BINGPAPER_DB_TYPE=sqlite
-      - BINGPAPER_DB_DSN=data/bing_paper.db
-      - BINGPAPER_STORAGE_TYPE=local
-      - BINGPAPER_STORAGE_LOCAL_ROOT=data/picture
-      - BINGPAPER_RETENTION_DAYS=30
+      - TZ=${TZ:-Asia/Shanghai}
+      - BINGPAPER_SERVER_PORT=${BINGPAPER_SERVER_PORT:-8080}
+      - BINGPAPER_LOG_LEVEL=${BINGPAPER_LOG_LEVEL:-info}
+      - BINGPAPER_API_MODE=${BINGPAPER_API_MODE:-local}
+      - BINGPAPER_CRON_ENABLED=${BINGPAPER_CRON_ENABLED:-true}
+      - BINGPAPER_DB_TYPE=${BINGPAPER_DB_TYPE:-sqlite}
+      - BINGPAPER_DB_DSN=${BINGPAPER_DB_DSN:-data/bing_paper.db}
+      - BINGPAPER_STORAGE_TYPE=${BINGPAPER_STORAGE_TYPE:-local}
+      - BINGPAPER_STORAGE_LOCAL_ROOT=${BINGPAPER_STORAGE_LOCAL_ROOT:-data/picture}
+      - BINGPAPER_RETENTION_DAYS=${BINGPAPER_RETENTION_DAYS:-30}
       # S3 配置 (可选)
-      # - BINGPAPER_STORAGE_S3_ENDPOINT=
-      # - BINGPAPER_STORAGE_S3_REGION=
-      # - BINGPAPER_STORAGE_S3_BUCKET=
-      # - BINGPAPER_STORAGE_S3_ACCESS_KEY=
-      # - BINGPAPER_STORAGE_S3_SECRET_KEY=
-      # - BINGPAPER_STORAGE_S3_PUBLIC_URL_PREFIX=
+      # - BINGPAPER_STORAGE_S3_ENDPOINT=${BINGPAPER_STORAGE_S3_ENDPOINT:-}
+      # - BINGPAPER_STORAGE_S3_REGION=${BINGPAPER_STORAGE_S3_REGION:-}
+      # - BINGPAPER_STORAGE_S3_BUCKET=${BINGPAPER_STORAGE_S3_BUCKET:-}
+      # - BINGPAPER_STORAGE_S3_ACCESS_KEY=${BINGPAPER_STORAGE_S3_ACCESS_KEY:-}
+      # - BINGPAPER_STORAGE_S3_SECRET_KEY=${BINGPAPER_STORAGE_S3_SECRET_KEY:-}
+      # - BINGPAPER_STORAGE_S3_PUBLIC_URL_PREFIX=${BINGPAPER_STORAGE_S3_PUBLIC_URL_PREFIX:-}
       # WebDAV 配置 (可选)
-      # - BINGPAPER_STORAGE_WEBDAV_URL=
-      # - BINGPAPER_STORAGE_WEBDAV_USERNAME=
-      # - BINGPAPER_STORAGE_WEBDAV_PASSWORD=
-      # - BINGPAPER_STORAGE_WEBDAV_PUBLIC_URL_PREFIX=
+      # - BINGPAPER_STORAGE_WEBDAV_URL=${BINGPAPER_STORAGE_WEBDAV_URL:-}
+      # - BINGPAPER_STORAGE_WEBDAV_USERNAME=${BINGPAPER_STORAGE_WEBDAV_USERNAME:-}
+      # - BINGPAPER_STORAGE_WEBDAV_PASSWORD=${BINGPAPER_STORAGE_WEBDAV_PASSWORD:-}
+      # - BINGPAPER_STORAGE_WEBDAV_PUBLIC_URL_PREFIX=${BINGPAPER_STORAGE_WEBDAV_PUBLIC_URL_PREFIX:-}