删除不再使用的文件和配置，优化项目结构以提升可维护性；新增环境变量配置示例，更新 Docker 和部署相关文件以支持灵活的端口设置；重构数据库连接逻辑，增强错误处理和配置管理，确保更好的兼容性和稳定性。

miniprogram/project.config.json

@@ -1,56 +1,21 @@
 {
-  "compileType": "miniprogram",
-  "miniprogramRoot": "",
-  "projectname": "soul-startup",
-  "description": "Soul创业派对 - 来自派对房的真实商业故事",
-  "appid": "wxb8bbb2b10dec74aa",
+  "description": "Soul创业派对 - 小程序",
+  "packOptions": { "ignore": [] },
   "setting": {
+    "bundle": false,
+    "userConfirmedBundleSwitch": false,
     "urlCheck": false,
+    "scopeDataCheck": false,
     "es6": true,
     "enhance": true,
     "postcss": true,
-    "preloadBackgroundData": false,
-    "minified": true,
-    "newFeature": true,
-    "coverView": true,
-    "nodeModules": false,
-    "autoAudits": false,
-    "showShadowRootInWxmlPanel": true,
-    "scopeDataCheck": false,
-    "uglifyFileName": false,
-    "checkInvalidKey": true,
-    "checkSiteMap": true,
-    "uploadWithSourceMap": true,
-    "compileHotReLoad": true,
-    "lazyloadPlaceholderEnable": false,
-    "useMultiFrameRuntime": true,
-    "useApiHook": true,
-    "useApiHostProcess": true,
-    "babelSetting": {
-      "ignore": [],
-      "disablePlugins": [],
-      "outputPath": ""
-    },
-    "enableEngineNative": false,
-    "useIsolateContext": true,
-    "userConfirmedBundleSwitch": false,
-    "packNpmManually": false,
-    "packNpmRelationList": [],
-    "minifyWXSS": true,
-    "disableUseStrict": false,
-    "minifyWXML": true,
-    "showES6CompileOption": false,
-    "useCompilerPlugins": false,
-    "ignoreUploadUnusedFiles": true
-  },
-  "libVersion": "3.13.2",
-  "packOptions": {
-    "ignore": [],
-    "include": []
+    "minified": true
   },
+  "compileType": "miniprogram",
+  "libVersion": "3.5.7",
+  "appid": "wxb8bbb2b10dec74aa",
+  "projectname": "soul-miniprogram",
   "condition": {},
-  "editorSetting": {
-    "tabIndent": "insertSpaces",
-    "tabSize": 2
-  }
-}
+  "miniprogramRoot": "./",
+  "srcMiniprogramRoot": "./"
+}