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Commit dc49023

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Dmitry Berezovsky
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‎Dockerfile

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FROM logicify/python-wsgi:latest
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MAINTAINER "Dmitry Berezovsky <[email protected]>"
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ENV PROXY_TIMEOUT "90"
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ENV STATIC_URL "/static"
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ENV STATIC_PATH "/srv/static"
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ENV MEDIA_PATH "/srv/media"
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USER root
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RUN yum -y update \
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&& yum -y install nginx gettext \
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&& easy_install-2.7 pip && pip2 install supervisor supervisor-stdout \
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&& mkdir /etc/nginx/proxy.d
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# Create a directory for config
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COPY nginx/nginx.conf /etc/nginx/nginx.conf
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COPY nginx/start-nginx.sh /usr/bin/start-nginx.sh
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COPY nginx/mime.types /etc/nginx/mime.types
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COPY supervisor.ini /etc/supervisor.ini
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COPY supervisor-shutdown.sh /usr/bin/supervisor-shutdown
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# forward request and error logs to docker log collector
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RUN ln -sf /dev/stdout /var/log/nginx/access.log \
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&& ln -sf /dev/stderr /var/log/nginx/error.log \
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&& chmod +x /usr/bin/start-nginx.sh \
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&& chmod +x /usr/bin/supervisor-shutdown
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EXPOSE 8080
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CMD ["supervisord", "-n", "-c", "/etc/supervisor.ini"]

‎nginx/mime.types

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types {
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text/html html htm shtml;
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text/css css;
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text/xml xml;
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image/gif gif;
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image/jpeg jpeg jpg;
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application/x-javascript js;
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application/atom+xml atom;
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application/rss+xml rss;
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text/mathml mml;
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text/plain txt;
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text/vnd.sun.j2me.app-descriptor jad;
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text/vnd.wap.wml wml;
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text/x-component htc;
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image/png png;
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image/tiff tif tiff;
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image/vnd.wap.wbmp wbmp;
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image/x-icon ico;
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image/x-jng jng;
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image/x-ms-bmp bmp;
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image/svg+xml svg svgz;
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image/webp webp;
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application/java-archive jar war ear;
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application/mac-binhex40 hqx;
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application/msword doc;
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application/pdf pdf;
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application/postscript ps eps ai;
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application/rtf rtf;
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application/vnd.ms-excel xls;
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application/vnd.ms-powerpoint ppt;
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application/vnd.wap.wmlc wmlc;
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application/vnd.google-earth.kml+xml kml;
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application/vnd.google-earth.kmz kmz;
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application/x-7z-compressed 7z;
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application/x-cocoa cco;
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application/x-java-archive-diff jardiff;
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application/x-java-jnlp-file jnlp;
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application/x-makeself run;
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application/x-perl pl pm;
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application/x-pilot prc pdb;
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application/x-rar-compressed rar;
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application/x-redhat-package-manager rpm;
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application/x-sea sea;
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application/x-shockwave-flash swf;
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application/x-stuffit sit;
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application/x-tcl tcl tk;
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application/x-x509-ca-cert der pem crt;
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application/x-xpinstall xpi;
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application/xhtml+xml xhtml;
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application/zip zip;
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application/octet-stream bin exe dll;
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application/octet-stream deb;
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application/octet-stream dmg;
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application/octet-stream eot;
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application/octet-stream iso img;
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application/octet-stream msi msp msm;
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audio/midi mid midi kar;
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audio/mpeg mp3;
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audio/ogg ogg;
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audio/x-m4a m4a;
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audio/x-realaudio ra;
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video/3gpp 3gpp 3gp;
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video/mp4 mp4;
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video/mpeg mpeg mpg;
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video/quicktime mov;
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video/webm webm;
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video/x-flv flv;
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video/x-m4v m4v;
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video/x-mng mng;
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video/x-ms-asf asx asf;
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video/x-ms-wmv wmv;
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video/x-msvideo avi;
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}

‎nginx/nginx.conf

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user nginx;
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worker_processes 4;
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pid /var/run/nginx.pid;
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events {
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worker_connections 1024;
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}
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http {
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include mime.types;
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default_type application/octet-stream;
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log_format main '$remote_addr - $remote_user [$time_local] "$request" '
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'$status $body_bytes_sent "$http_referer" '
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'"$http_user_agent" "$http_x_forwarded_for"';
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access_log /var/log/nginx/access.log;
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error_log /var/log/nginx/error.log;
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sendfile on;
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tcp_nopush on;
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keepalive_timeout 65;
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tcp_nodelay on;
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gzip on;
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# Proxy all requests to the destination
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server {
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listen 8080 default_server;
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# Proxy configuration
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proxy_redirect off;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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client_max_body_size 3g;
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client_body_buffer_size 128k;
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proxy_connect_timeout 90;
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proxy_buffers 32 4k;
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include nginx_params;
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location / {
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proxy_pass http://$wsgi_host:$wsgi_port;
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}
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location /static {
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alias $static_location;
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}
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location /media {
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alias $media_location;
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}
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include proxy.d/*.conf;
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}
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# Include other config files
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include conf.d/*.conf;
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}

‎nginx/start-nginx.sh

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#!/bin/sh
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cat > /etc/nginx/nginx_params <<-EOF
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proxy_send_timeout $PROXY_TIMEOUT;
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proxy_read_timeout $PROXY_TIMEOUT;
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set \$wsgi_host '127.0.0.1';
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set \$wsgi_port $APP_PORT;
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set \$static_location $STATIC_PATH;
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set \$media_location $MEDIA_PATH;
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EOF
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nginx -g 'daemon off;'

‎supervisor-shutdown.sh

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#!/usr/bin/python
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import sys
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import os
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import logging
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import subprocess
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import time
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from supervisor.childutils import listener
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def main(args):
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logging.basicConfig(stream=sys.stderr, level=logging.DEBUG, format='%(asctime)s %(levelname)s %(filename)s: %(message)s')
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logger = logging.getLogger("supervisord-watchdog")
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debug_mode = True if 'DEBUG' in os.environ else False
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while True:
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logger.info("Listening for events...")
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headers, body = listener.wait(sys.stdin, sys.stdout)
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body = dict([pair.split(":") for pair in body.split(" ")])
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logger.debug("Headers: %r", repr(headers))
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logger.debug("Body: %r", repr(body))
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logger.debug("Args: %r", repr(args))
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if debug_mode: continue
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try:
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if headers["eventname"] == "PROCESS_STATE_FATAL":
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logger.info("Process entered FATAL state...")
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if not args or body["processname"] in args:
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logger.error("Killing off supervisord instance ...")
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res = subprocess.call(["/bin/kill", "-15", "1"], stdout=sys.stderr)
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logger.info("Sent TERM signal to init process")
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time.sleep( 5 )
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logger.critical("Why am I still alive? Send KILL to all processes...")
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res = subprocess.call(["/bin/kill", "-9", "-1"], stdout=sys.stderr)
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except Exception as e:
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logger.critical("Unexpected Exception: %s", str(e))
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listener.fail(sys.stdout)
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exit(1)
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else:
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listener.ok(sys.stdout)
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if __name__ == '__main__':
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main(sys.argv[1:])

‎supervisor.ini

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[supervisord]
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nodaemon = true
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[program:wsgi]
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user = app
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command = /home/app/start-gunicorn.sh
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environment=PATH="/srv/virtenv/bin:%(ENV_PATH)s"
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autorestart = false
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startretries=0
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stdout_events_enabled = true
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stderr_events_enabled = true
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[program:nginx]
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command = /usr/bin/start-nginx.sh
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autorestart = false
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startretries=0
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stdout_events_enabled = true
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stderr_events_enabled = true
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[eventlistener:stdout]
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command = supervisor_stdout
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buffer_size = 100
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events = PROCESS_LOG
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result_handler = supervisor_stdout:event_handler
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[eventlistener:fatal]
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command = "supervisor-shutdown"
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events = PROCESS_STATE_FATAL
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