app.py

from flask import Flask, render_template, send_file
import pandas as pd

app = Flask(__name__)

# Load the CSV once at startup
CSV_PATH = "contacts.csv"
df = pd.read_csv(CSV_PATH)

@app.route("/")
def home():
    return render_template("table.html", tables=[df.to_html(classes="table table-bordered table-hover", index=False, border=0)], title="Contacts")

@app.route("/download")
def download():
    return send_file(CSV_PATH, as_attachment=True)

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=7860)