Python image service

service.py

from flask import Flask, render_template, request, url_for
import os

if not os.path.exists("static"):
    os.makedirs("static")

app = Flask('ImageShow', template_folder='')

@app.route('/', methods=['GET', 'POST'])
def index():
    if request.method == "GET":
        return render_template("./index.html")
    if request.method == "POST":
        file = request.files['file']
        file.save("static/image.png")
        return render_template("./index.html")

app.run(debug=True, host='0.0.0.0', port=5000)