WSGI servers (Gunicorn, uWSGI) in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Flask class from the flask package.

Flask

from flask import [1]
app = Flask(__name__)

Drag options to blanks, or click blank then click option'

Ajsonify

BRequest

Crender_template

DFlask

Attempts:

3 left

💡 Hint

Common Mistakes

Importing Request instead of Flask

Using render_template which is for templates

Using jsonify which is for JSON responses

The Flask class is imported from the flask package to create the app instance.

2fill in blank

medium

Complete the command to run a Flask app using Gunicorn on port 8000.

Flask

gunicorn [1]:app -b 0.0.0.0:8000

Drag options to blanks, or click blank then click option'

Aapp.py

Bflask_app

Capp

Dmain

Attempts:

3 left

💡 Hint

Common Mistakes

Including the .py extension in the module name

Using a wrong module name that does not exist

Gunicorn expects the Python module name without the .py extension. If your file is app.py, you use 'app'.

3fill in blank

hard

Fix the error in the uWSGI command to serve the Flask app from app.py.

Flask

uwsgi --http :5000 --wsgi-file [1] --callable app

Drag options to blanks, or click blank then click option'

Aapp.py

Bapp

Cflask_app.py

Dmain.py

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the .py extension

Using a wrong filename

The --wsgi-file option requires the Python file name including the .py extension.

4fill in blank

hard

Fill both blanks to create a Gunicorn command that runs the app with 4 workers on port 8080.

Flask

gunicorn [1]:app -w [2] -b 0.0.0.0:8080

Drag options to blanks, or click blank then click option'

Aapp

B4

C2

Dmain

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong module name

Setting workers to a string instead of a number

The module name is 'app' and the number of workers is set to 4 with -w 4.

5fill in blank

hard

Fill all three blanks to create a uWSGI command that serves app.py with 2 processes and 4 threads on port 9090.

Flask

uwsgi --http :9090 --wsgi-file [1] --processes [2] --threads [3] --callable app

Drag options to blanks, or click blank then click option'

Aapp.py

B2

C4

Dapp

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the .py extension

Confusing processes and threads values

Using the callable name in place of the file

The file is app.py, with 2 processes and 4 threads specified for uWSGI.