Simple Docker Pythong Server

Dockerfile

FROM python:3.8

ENV LC_ALL C.UTF-8
ENV LANG C.UTF-8

WORKDIR /app

COPY server.py .

# Ingored, for now
# HEALTHCHECK CMD find health_check || exit 1

CMD [ "python",  "server.py" ]

server.py

"""Main startup script to run Loeding"""

import os
import sys
import signal
import time
from datetime import datetime

RUNNING = True

def main(given_args):

    counter = 0
    while RUNNING:

        if counter % 60 == 0:
            for key in sorted(os.environ.keys()):
                print(f"{key} => {os.environ[key]}")

        counter += 1
        time.sleep(1)

    shut_down()


def shut_down():
    print("Shutting down")


def _handle_shutdown(signum, _):
    global RUNNING
    print(f"Handling signal: {signum}")
    RUNNING = False


if __name__ == "__main__":

    signal.signal(signal.SIGTERM, _handle_shutdown)
    signal.signal(signal.SIGINT, _handle_shutdown)

    print(f"Starting with PID: {os.getpid()}")
    main(sys.argv[1:])