docs: 更新Docker部署文档和优化配置文件

重构DOCKER.md文档结构，简化内容并优化可读性
更新.env.example和docker-compose配置文件，添加中文注释
优化1Panel部署脚本，移除不必要功能并简化流程

Author: ExquisiteCore

.DS_Store

@@ -1,25 +1,37 @@
 # Environment Variables Template
 # Copy this file to .env and fill in your actual values
 
-# Database Configuration
-POSTGRES_PASSWORD=your_secure_password_here
+# === 数据库配置 ===
+POSTGRES_PASSWORD=secure_password_change_me
 POSTGRES_USER=postgres
 POSTGRES_DB=Blog
-DATABASE_URL=postgres://postgres:your_secure_password_here@postgres:5432/Blog
+DATABASE_URL=postgres://postgres:secure_password_change_me@postgres:5432/Blog
+POSTGRES_PORT=5432
 
-# JWT Configuration
-JWT_SECRET=your_super_secret_jwt_key_change_this_in_production_with_minimum_32_characters
+# === JWT 配置 ===
+JWT_SECRET=your_super_secret_jwt_key_change_this_in_production
 
-# API Configuration
+# === API 配置 ===
 PUBLIC_API_BASE_URL=http://localhost:8080/api
 INTERNAL_API_BASE_URL=http://backend:8080/api
+BACKEND_PORT=8080
 
-# Frontend Configuration
+# === 前端配置 ===
 HOST=0.0.0.0
 PORT=4321
+FRONTEND_PORT=4321
+NODE_ENV=production
 
-# CORS Configuration (comma-separated)
-ALLOWED_ORIGINS=http://localhost:4321,https://yourdomain.com,http://frontend:4321
+# === CORS 配置 ===
+ALLOWED_ORIGINS=http://localhost:4321,https://yourdomain.com
 
-# Production Settings
-NODE_ENV=production
+# === Redis 配置 ===
+REDIS_PASSWORD=secure_redis_password
+
+# === 日志配置 ===
+RUST_LOG=info
+RUST_BACKTRACE=0
+
+# === SSL 配置 (生产环境) ===
+SSL_CERT_PATH=/etc/nginx/ssl/cert.pem
+SSL_KEY_PATH=/etc/nginx/ssl/key.pem