Symlink instead of copy wp files

package.json

@@ -5,7 +5,7 @@
   "license": "MIT",
   "dependencies": {
     "@aws-sdk/client-s3": "^3.772.0",
-    "serverlesswp": "^0.4.0",
+    "serverlesswp": "^0.4.1",
     "sqlite3": "^5.1.7"
   },
   "engines": {

util/directory.js

@@ -3,9 +3,14 @@ const execSync = require("child_process").execSync;
 
 exports.setup = function() {
     if (!fs.existsSync('/tmp/wp')) {
-        fs.mkdirSync('/tmp/wp');
         try {
-            execSync('cp -R /var/task/wp/* /tmp/wp/');
+            // Symlink entire WordPress directory for fast read access to core files
+            fs.symlinkSync('/var/task/wp', '/tmp/wp');
+
+            // Remove wp-content symlink and replace with real writable copy
+            // This is needed for SQLite db.php and any plugin-generated files
+            fs.unlinkSync('/tmp/wp/wp-content');
+            execSync('cp -R /var/task/wp/wp-content /tmp/wp/');
         }
         catch (err) {
             console.log(err);

util/sqliteS3.js

@@ -211,7 +211,8 @@ exports.prepPlugin = async function (wpContentPath, sqlitePluginPath) {
             const content = await fs.readFile(newPath, 'utf8');
             const modifiedContent = content.replace(new RegExp(/{SQLITE_IMPLEMENTATION_FOLDER_PATH}/, 'g'), sqlitePluginPath);
 
-            await fs.writeFile(newPath, modifiedContent)
+            await fs.writeFile(newPath, modifiedContent);
+            init = true;
         }
         catch (err) {
             console.log(err);