#!/usr/bin/env python3
"""Minimal web app for deployment example."""
import os
from http.server import HTTPServer, BaseHTTPRequestHandler

PORT = int(os.environ.get("PORT", 8080))
VERSION = os.environ.get("VERSION", "dev")


class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        self.send_response(200)
        self.send_header("Content-type", "text/html")
        self.end_headers()
        self.wfile.write(
            f"<h1>Hello from Docker!</h1><p>Version: {VERSION}</p>".encode()
        )

    def log_message(self, format, *args):
        print(f"[{self.log_date_time_string()}] {format % args}")


if __name__ == "__main__":
    server = HTTPServer(("", PORT), Handler)
    print(f"Server running on port {PORT}")
    server.serve_forever()