flasktutorial/app/routes.py

from flask import render_template
from app import app


@app.route('/')
@app.route('/index')
def index():
    user = {'username': "Pusheen"}
    posts = [
        {"author": {"username": "Stormy"},
        "body":"Meowingful day, isn't it ? "
         },
        {"author": {"username": "Thomos"},
         "body": "bla bla bla "
         }
    ]
    return render_template('index.html',
                           title="home",
                           user=user,
                           posts=posts)