main.py

from uuid import uuid4 as uuid

# python -m pip install redis
from redis import Redis
cache = Redis(host='localhost', port=6379, db=0)

# python -m pip install flask
from flask import Flask, render_template, request
app = Flask(__name__)

@app.get('/')
def index():
  return render_template('index.html')

@app.post('/upload')
def upload_post():
  id = uuid()
  try:
    f = request.files['file']
    f.save(f'/var/www/uploads/{id}')
    cache.set(f'files.{id}.name', f.filename)
    cache.set(f'files.{id}.type', f.content_type)
  except Exception as e:
    return { 'status': 'error', 'message': str(e), 'data': None }
  return { 'status': 'ok', 'message': None, 'data': { 'id': id } }

@app.get('/upload')
def upload_get():
  return render_template('upload.html')