A simple 'hello world' python application with uwsgi and nginx

quickstart.sh

# A simple 'hello world' application with python uwsgi and nginx

# Make directory and files
# The directory structure:
# ./
#  |-- app/
#  |    |-- hello.py
#  |    |-- hello_nginx.conf
if [ -d app ]; then
   rm -rf app
fi
mkdir app/
touch app/hello.py
touch app/hello_nginx.conf

# Define the port
port=3031

# A single Python function called 'application' is saved in 'app/hello.py',
# and it would be loaded by uWSGI Python as the default function.
echo "def application(env, start_response):
    start_response('200 OK', [('Content-Type','text/html')])
    return [b\"Hello World!\"]" > app/hello.py

# A common nginx config is saved in 'app/hello_nginx.conf'.
# Use the 80 port.
echo 'server {
        listen 80 default_server;
        server_name localhost;
        location / {
                include uwsgi_params;
                uwsgi_pass 127.0.0.1:'${port}';
        }
}' > app/hello_nginx.conf

# Create a softlink
ln -sf `pwd`/app/hello_nginx.conf /etc/nginx/sites-enabled/

# resart nginx
service nginx restart

# Free the port
fuser -k ${port}/tcp

# start uwsgi
uwsgi --socket 127.0.0.1:${port} --wsgi-file app/hello.py --pidfile /tmp/hello.pid