@foreach ($posts as $post)

    <li>

        <a href="{{ route('posts.edit', $post) }}">

            {{ $post->title }}

        </a>

        <img width="60" src="{{ asset('storage/'.$post->image) }}" alt="">

    </li>        

    @endforeach

</ul>

<a href="{{ route('posts.create') }}">Add post</a>

<?php 

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Post;

class PostController extends Controller

{

    public function index()

    {

        $post = new Post;

        $posts = $post->all();

        return view('post.index', [

            'posts' => $posts

        ]);

    }

    public function create()

    {

        return view('post.create');

    }

    public function store(Request $request)

    {

        $post = new Post;

        $post->title = $request->title;

        $post->content = $request->content;

        if ($request->hasFile('image')) {

            $post->image = $request->image->store('images', 'public');

        } else {

            $post->image = '';

        }

        $post->save();

        return redirect()->route('posts.index');

    }

    public function edit(Post $post)

    {

        return view('post.edit', [

            'post' => $post

        ]);

    }

    public function update(Request $request, Post $post)

    {

        $post->title = $request->title;

        $post->content = $request->content;

        if ($request->hasFile('image')) {

            $post->image = $request->image->store('images', 'public');

        }

        $post->save();

        return redirect()->route('posts.index');

    }

    public function delete(Post $post)

    {

        $post->delete();

        return redirect()->route('posts.index');

    }

}

    {{ csrf_field() }}

    Title:

    <input type="text" name="title" value="{{ $post->title }}">

    <br>

    Content:

    <textarea name="content" id="" cols="30" rows="10">{{ $post->content }}</textarea>

    <br>

    Image:

    <img width="60" src="{{ asset('storage/'.$post->image) }}" alt="">

    <input type="file" name="image">

    <button type="submit">Save</button>

    <button type="submit" formaction="{{ route('posts.delete', $post) }}">Delete</button>

</form>