Flask app with bokeh and reverse proxy

ericfeldman93Apr 12, 2018 #1

Hey

I’m running bokeh server, flask app and client hosted in nginx all on the same server.

Bokeh server

server = Server({'/bk_app': sliders_modify_doc},
                io_loop=IOLoop(),
                prefix='/bk',
                allow_websocket_origin=["localhost:1337", "localhost:8080", "localhost:80"])

server.start()
server.io_loop.start()

Flask app

@app.route('/bokeh')
def get():
    script = server_document('/bk/bk_app', relative_urls=True, arguments=request.args)
    return render_template("bokeh.html", script=script, template="Flask")

I configured the nginx to redirect every request starting with ‘bk’ to the bokeh server.

All files are loading as expected, but the WebSocket is stuck as pending.

(nginx is running on port 8080)

Am I missing something?

Thanks

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BryanApr 12, 2018 #2

Hi,

It's not really possible to say anything specific without seeing your nginx config. For instance, did you also configure nginx to proxy websockets? This is a separate thing that must be explicitly done (there's an example in the docs)

Thanks,

Bryan

···

On Apr 12, 2018, at 06:36, ericfeldman93@gmail.com wrote:

Hey
I'm running bokeh server, flask app and client hosted in nginx all on the same server.

Bokeh server
server = Server({'/bk_app': sliders_modify_doc},
                io_loop=IOLoop(),
                prefix='/bk',
                allow_websocket_origin=["localhost:1337", "localhost:8080", "localhost:80"])

server.start()
server.io_loop.start()

Flask app
@app.route('/bokeh')
def get():
    script = server_document('/bk/bk_app', relative_urls=True, arguments=request.args)
    return render_template("bokeh.html", script=script, template="Flask")

I configured the nginx to redirect every request starting with 'bk' to the bokeh server.
All files are loading as expected, but the WebSocket is stuck as pending.

(nginx is running on port 8080)

Am I missing something?
Thanks

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systemJul 21, 2021 #3

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