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Single-Page Applications
========================
Flask can be used to serve Single-Page Applications (SPA) by placing static
files produced by your frontend framework in a subfolder inside of your
project. You will also need to create a catch-all endpoint that routes all
requests to your SPA.
The following example demonstrates how to serve an SPA along with an API::
from flask import Flask, jsonify
app = Flask(__name__, static_folder='app', static_url_path="/app")
@app.route("/heartbeat")
def heartbeat():
return jsonify({"status": "healthy"})
@app.route('/', defaults={'path': ''})
@app.route('/<path:path>')
def catch_all(path):
return app.send_static_file("index.html")
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