Test

Dockerfile

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+FROM serversideup/php:8.4-fpm-nginx
+
+USER root
+
+WORKDIR /var/www/html
+
+COPY . .
+
+RUN mkdir -p storage/uploads \
+    && chown -R www-data:www-data storage \
+    && chmod -R 775 storage
+
+USER www-data
+
+EXPOSE 8080

public/image/upload.php

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+<?php
+
+declare(strict_types=1);
+
+header('Content-Type: application/json');
+
+$uploadDir = __DIR__ . '/../../storage/uploads';
+
+if (!is_dir($uploadDir)) {
+    mkdir($uploadDir, 0755, true);
+}
+
+if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
+    http_response_code(405);
+    echo json_encode([
+        'success' => false,
+        'message' => 'Method Not Allowed'
+    ]);
+    exit;
+}
+
+if (!isset($_FILES['image'])) {
+    http_response_code(400);
+    echo json_encode([
+        'success' => false,
+        'message' => 'image field required'
+    ]);
+    exit;
+}
+
+$file = $_FILES['image'];
+
+if ($file['error'] !== UPLOAD_ERR_OK) {
+    http_response_code(400);
+    echo json_encode([
+        'success' => false,
+        'message' => 'Upload failed',
+        'error' => $file['error']
+    ]);
+    exit;
+}
+
+$finfo = new finfo(FILEINFO_MIME_TYPE);
+
+$mime = $finfo->file($file['tmp_name']);
+
+$allowed = [
+    'image/jpeg' => 'jpg',
+    'image/png'  => 'png',
+    'image/webp' => 'webp',
+];
+
+if (!isset($allowed[$mime])) {
+    http_response_code(400);
+    echo json_encode([
+        'success' => false,
+        'message' => 'Invalid image type'
+    ]);
+    exit;
+}
+
+$filename = bin2hex(random_bytes(16)) . '.' . $allowed[$mime];
+$destination = $uploadDir . '/' . $filename;
+
+if (!move_uploaded_file($file['tmp_name'], $destination)) {
+    http_response_code(500);
+    echo json_encode([
+        'success' => false,
+        'message' => 'Cannot save file'
+    ]);
+    exit;
+}
+
+echo json_encode([
+    'success' => true,
+    'filename' => $filename,
+    'url' => '/uploads/' . $filename,
+    'size' => filesize($destination),
+    'mime' => $mime,
+]);

public/index.php

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+<?php
+
+http_response_code(404);
+
+echo json_encode([
+    "message" => "API Running"
+]);