Deploy Keras neural network to Flask web service | Part 2 - Build your first Flask app
Here, we're going to quickly discuss Flask, see how to get it installed, and make our first simple web service.
We briefly talked last time about how we'd be working with flask over the next several videos, and we referred to what we'd be building as a web service. So let's elaborate on flask now and get a little more familiar so we can understand its role in our upcoming tasks.
Note, in the video, we show how to export the FLASK_APP variable in a Linux terminal so that Flask knows which application to work with. To do this, we simply ran the following command:
export FLASK_APP=sample_app.py
To do the equivalent in Windows (which isn't shown in the video), run the following command from the command prompt launched with admin privileges:
C:\path\to\app set FLASK_APP=sample_app.py
If you run into issues with starting Flask, check this out:
http://flask.pocoo.org/docs/1.0/quick...
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