HTML

input a file in html form

<form action="{% url 'submit' %}" method="POST" enctype="multipart/form-data">
        {% csrf_token %}
  		<div class="mb-3">
            <label for="formFile" class="form-label">Image</label>
            <input class="form-control" type="file" id="formFile" name="image" accept="image/*">
        </div>

        <button class="btn btn-outline-info" type="submit">Submit</button>
</form>

file input html

<input type="file">