Docker python example

README.md

Docker example

Usage

make build make run

Dockerfile

FROM python:3.6-stretch

WORKDIR /app

COPY requirements.txt main-flask.py main-tornado.py script.py /app/

RUN pip3 install -r requirements.txt

# CMD python3 main-tornado.py
# CMD FLASK_APP=main-flask.py flask run
CMD python3 main-flask.py

main-flask.py

from flask import Flask
from script import some_function

app = Flask(__name__)


@app.route("/")
def hello():
    return some_function()

app.run('0.0.0.0')

main-tornado.py

import tornado.ioloop
import tornado.web

from script import some_function

class MainHandler(tornado.web.RequestHandler):
    def get(self):
        response_body = some_function()
        self.write(response_body)

def make_app():
    return tornado.web.Application([
        (r"/", MainHandler),
    ])

if __name__ == "__main__":
    app = make_app()
    app.listen(8888)
    tornado.ioloop.IOLoop.current().start()

Makefile

build:
	docker build .

run:
	docker run -p 5000:5000 python-example

requirements.txt

tornado
flask

script.py

def some_function():
    return "Hello World"