Flask "Hello, world!" using mod_wsgi-express

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README.md

Blog 2020/5/8

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Flask "Hello, world!" using mod_wsgi-express

For locally developing a Flask application, using mod_wsgi-express instead of apache is a much quicker way to get started.

Simply run mod_wsgi-express start-server hello.wsgi, then visit http://localhost:8000 (or, you can just run make).

$ mod_wsgi-express start-server hello.wsgi
Server URL         : http://localhost:8000/
Server Root        : /var/tmp/mod_wsgi-localhost:8000:501
Server Conf        : /var/tmp/mod_wsgi-localhost:8000:501/httpd.conf
Error Log File     : /var/tmp/mod_wsgi-localhost:8000:501/error_log (warn)
Request Capacity   : 5 (1 process * 5 threads)
Request Timeout    : 60 (seconds)
Startup Timeout    : 15 (seconds)
Queue Backlog      : 100 (connections)
Queue Timeout      : 45 (seconds)
Server Capacity    : 20 (event/worker), 20 (prefork)
Server Backlog     : 500 (connections)
Locale Setting     : en_US.UTF-8

In another terminal, tail the error log:

tail -f /var/tmp/mod_wsgi-localhost:8000:501/error_log

When done, simply hit control+c to stop the server.

hello.py

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, world!'

hello.wsgi

from hello import app as application

Makefile

run:
	mod_wsgi-express start-server hello.wsgi

deps-mac:
	brew install python
	pip3 install flask mod_wsgi

.PHONY: run deps-mac

cool super ok