main.py

from flask import Flask, jsonify, request
import logging
app = Flask(__name__,static_url_path='',static_folder="PDFjs")
log = logging.getLogger('werkzeug')
log.disabled = True
def get_ipaddr():
    if request.access_route:
        print(request.access_route[0])
        return request.access_route[0]
    else:
        return request.remote_addr or '127.0.0.1'

        
@app.route("/ping", methods=["GET"])
def index():
    return jsonify(pong=get_ipaddr())
app.run(host="0.0.0.0",port=8088)