@thiago I was successful deploying locally using the config.toml guide to redirect to port 80. Before changing the config.toml file on AWS, it worked fine on port 8501. After I changed the config.toml file on AWS, I got the following error. Do you know how to fix it?
Guide to change port:
https://docs.streamlit.io/en/stable/streamlit_configuration.html#set-configuration-options 5
Terminal Error:
ubuntu@ip-172-31-81-27:~/cr2-cigar-recommender$ streamlit run app.py
Traceback (most recent call last):
  File "/home/ubuntu/miniconda/bin/streamlit", line 8, in <module>
    sys.exit(main())
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/streamlit/cli.py", line 191, in main_run
    _main_run(target, args, flag_options=kwargs)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/streamlit/cli.py", line 219, in _main_run
    bootstrap.run(file, command_line, args, flag_options)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/streamlit/bootstrap.py", line 357, in run
    server.start(_on_server_start)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/streamlit/server/server.py", line 306, in start
    start_listening(app)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/streamlit/server/server.py", line 160, in start_listening
    start_listening_tcp_socket(http_server)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/streamlit/server/server.py", line 179, in start_listening_tcp_socket
    http_server.listen(port, address)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/tornado/tcpserver.py", line 151, in listen
    sockets = bind_sockets(port, address=address)
  File "/home/ubuntu/miniconda/lib/python3.9/site-packages/tornado/netutil.py", line 161, in bind_sockets
    sock.bind(sockaddr)
PermissionError: [Errno 13] Permission denied
ubuntu@ip-172-31-81-27:~/cr2-cigar-recommender$