https://advancedweb.hu/supervisor-with-docker-lessons-learned/
Using Supervisor with Docker
https://gdevillele.github.io/engine/admin/using_supervisord/
Dockerfile
FROM python:3.7.4
RUN pip3 install flask flask_cors supervisor
COPY supervisord.conf /etc/supervisord.conf
COPY file /file
COPY test-flask.py /test-flask.py
COPY test-write.py /test-write.py
CMD ["/usr/local/bin/supervisord"]
supervisord.conf
[unix_http_server]
file=/tmp/supervisor.sock ; the path to the socket file
[supervisord]
nodaemon=true
logfile=/tmp/supervisord.log
logfile_maxbytes=5MB
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
[supervisorctl]
serverurl=unix://tmp/supervisor.sock ; use a unix:// URL for a unix socket
[program:p-write-to-file]
command=/usr/local/bin/python3 /test-write.py
[program:p-flask]
command=/usr/local/bin/python3 /test-flask.py
supervisord.conf # output to docker container
[unix_http_server]
file=/tmp/supervisor.sock ; the path to the socket file
[supervisord]
nodaemon=true
logfile=/tmp/supervisord.log
logfile_maxbytes=5MB
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
[supervisorctl]
serverurl=unix://tmp/supervisor.sock ; use a unix:// URL for a unix socket
[program:p-write-to-file]
command=/usr/local/bin/python3 /test-write.py
stdout_logfile=/proc/1/fd/1
redirect_stderr=true
stdout_logfile_maxbytes = 0
environment=PYTHONUNBUFFERED=1
[program:p-flask]
command=/usr/local/bin/python3 /test-flask.py
stdout_logfile=/proc/1/fd/1
redirect_stderr=true
stdout_logfile_maxbytes = 0
environment=PYTHONUNBUFFERED=1
test-write.py
import time
idx = 0
while True:
with open("/file", "a+") as f:
f.write(f"{idx}\n")
idx+=1
time.sleep(1)
test-flask.py
from flask import Flask, request, jsonify, json, abort, redirect, url_for, render_template
from flask_cors import CORS, cross_origin
import os
import re
import subprocess
import traceback
app = Flask(__name__, template_folder='template')
cors = CORS(app)
app.config['CORS_HEADERS'] = 'Content-Type'
@app.route('/', methods=['GET', 'POST'])
@cross_origin()
def main():
txt = open("/file").read()
return txt
return "hello world"
# gunicorn --workers=2 'app:create_app()' --bind=0.0.0.0:<port>
def create_app():
return app
if __name__ == '__main__':
app.run(host='0.0.0.0', port=8080)
#test
#with app.test_client() as c:
# rs = c.get("/")
# print(rs.data)