Remove ecosystem configuration file, add Docker entrypoint script, and update deployment workflow to build and push Docker images. Enhance AdminPage with Docker export functionality and improve post management API to use dynamic posts directory path.

src/app/api/admin/delete/route.ts

@@ -1,6 +1,7 @@
 import { NextRequest, NextResponse } from 'next/server';
 import fs from 'fs/promises';
 import path from 'path';
+import { getPostsDirectory } from '@/lib/postsDirectory';
 
 export async function POST(request: NextRequest) {
   try {
@@ -16,7 +17,7 @@ export async function POST(request: NextRequest) {
 
     // Construct the full path to the item
     const basePath = process.cwd();
-    const postsDir = path.join(basePath, 'posts');
+    const postsDir = getPostsDirectory();
     
     // Ensure the posts directory exists
     try {