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add prod deploy files
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‎.env/.prod-sample

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DEBUG=0
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SECRET_KEY=dbaa1_i7%*3r9-=z-+_mz4r-!qeed@(-a_r(g@k8jo8y3r27%m
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DJANGO_ALLOWED_HOSTS=*
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SQL_ENGINE=django.db.backends.postgresql
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SQL_DATABASE=hello_django_dev
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SQL_USER=hello_django
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SQL_PASSWORD=hello_django
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SQL_HOST=db
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SQL_PORT=5432
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RABBITMQ_DEFAULT_USER=admin
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RABBITMQ_DEFAULT_PASS=admin
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CELERY_BROKER=amqp://admin:admin@rabbitmq:5672/
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CELERY_BACKEND=redis://redis:6379/0
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CELERY_FLOWER_USER=admin
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CELERY_FLOWER_PASSWORD=admin
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CHANNELS_REDIS=redis://redis:6379/0

‎compose/auto_deploy_do.sh

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#! /bin/bash
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# This shell script quickly deploys your project to your
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# DigitalOcean Droplet
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# generate TAR file from git
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git archive --format tar --output ./project.tar master
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echo 'Uploading project...'
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rsync ./project.tar root@$DIGITAL_OCEAN_IP_ADDRESS:/tmp/project.tar
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echo 'Uploaded complete.'
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echo 'Building image...'
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ssh -o StrictHostKeyChecking=no root@$DIGITAL_OCEAN_IP_ADDRESS << 'ENDSSH'
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mkdir -p /app
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rm -rf /app/* && tar -xf /tmp/project.tar -C /app
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docker-compose -f /app/docker-compose.prod.yml build
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ENDSSH
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echo 'Build complete.'

‎compose/production/django/Dockerfile

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FROM python:3.9-slim-buster
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ENV PYTHONUNBUFFERED 1
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RUN apt-get update \
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# dependencies for building Python packages
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&& apt-get install -y build-essential netcat \
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# psycopg2 dependencies
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&& apt-get install -y libpq-dev \
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# Translations dependencies
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&& apt-get install -y gettext \
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# cleaning up unused files
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&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
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&& rm -rf /var/lib/apt/lists/*
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RUN addgroup --system django \
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&& adduser --system --ingroup django django
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# Requirements are installed here to ensure they will be cached.
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COPY ./requirements.txt /requirements.txt
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RUN pip install -r /requirements.txt
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COPY ./compose/production/django/entrypoint /entrypoint
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RUN sed -i 's/\r$//g' /entrypoint
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RUN chmod +x /entrypoint
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RUN chown django /entrypoint
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COPY ./compose/production/django/start /start
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RUN sed -i 's/\r$//g' /start
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RUN chmod +x /start
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RUN chown django /start
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COPY ./compose/production/django/celery/worker/start /start-celeryworker
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RUN sed -i 's/\r$//g' /start-celeryworker
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RUN chmod +x /start-celeryworker
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RUN chown django /start-celeryworker
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COPY ./compose/production/django/celery/beat/start /start-celerybeat
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RUN sed -i 's/\r$//g' /start-celerybeat
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RUN chmod +x /start-celerybeat
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RUN chown django /start-celerybeat
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COPY ./compose/production/django/celery/flower/start /start-flower
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RUN sed -i 's/\r$//g' /start-flower
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RUN chmod +x /start-flower
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RUN mkdir /app
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RUN mkdir /app/staticfiles
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RUN mkdir /app/mediafiles
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WORKDIR /app
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# copy project code
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COPY . .
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RUN chown -R django:django /app
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USER django
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ENTRYPOINT ["/entrypoint"]

‎compose/production/django/celery/beat/start

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#!/bin/bash
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set -o errexit
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set -o pipefail
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set -o nounset
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celery -A django_celery_example beat -l INFO

‎compose/production/django/celery/flower/start

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#!/bin/bash
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set -o errexit
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set -o nounset
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worker_ready() {
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celery -A django_celery_example inspect ping
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}
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until worker_ready; do
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>&2 echo 'Celery workers not available'
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sleep 1
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done
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>&2 echo 'Celery workers is available'
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flower \
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--app=django_celery_example \
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--broker="${CELERY_BROKER}" \
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--basic_auth="${CELERY_FLOWER_USER}:${CELERY_FLOWER_PASSWORD}"

‎compose/production/django/celery/worker/start

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#!/bin/bash
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set -o errexit
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set -o pipefail
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set -o nounset
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celery -A django_celery_example worker -l INFO

‎compose/production/django/entrypoint

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#!/bin/bash
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set -o errexit
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set -o pipefail
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set -o nounset
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postgres_ready() {
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python << END
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import sys
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import psycopg2
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try:
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psycopg2.connect(
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dbname="${SQL_DATABASE}",
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user="${SQL_USER}",
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password="${SQL_PASSWORD}",
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host="${SQL_HOST}",
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port="${SQL_PORT}",
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)
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except psycopg2.OperationalError:
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sys.exit(-1)
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sys.exit(0)
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END
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}
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until postgres_ready; do
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>&2 echo 'Waiting for PostgreSQL to become available...'
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sleep 1
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done
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>&2 echo 'PostgreSQL is available'
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rabbitmq_ready() {
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echo "Waiting for rabbitmq..."
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while ! nc -z rabbitmq 5672; do
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sleep 1
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done
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echo "rabbitmq started"
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}
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rabbitmq_ready
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exec "$@"

‎compose/production/django/start

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#!/bin/bash
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set -o errexit
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set -o pipefail
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set -o nounset
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python /app/manage.py collectstatic --noinput
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python /app/manage.py migrate
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/usr/local/bin/gunicorn django_celery_example.asgi:application -k uvicorn.workers.UvicornWorker --bind 0.0.0.0:8000 --chdir=/app

‎compose/production/nginx/Dockerfile

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FROM nginx:1.19-alpine
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RUN rm /etc/nginx/conf.d/default.conf
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COPY nginx.conf /etc/nginx/conf.d

‎compose/production/nginx/nginx.conf

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upstream hello_django {
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server web:8000;
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}
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upstream celery_flower {
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server flower:5555;
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}
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upstream rabbitmq {
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server rabbitmq:15672;
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}
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server {
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listen 80;
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location / {
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proxy_pass http://hello_django;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header Host $host;
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proxy_redirect off;
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client_max_body_size 20M;
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}
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location /static/ {
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alias /app/staticfiles/;
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}
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location /media/ {
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alias /app/mediafiles/;
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}
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location /ws {
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proxy_pass http://hello_django;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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proxy_set_header Host $http_host;
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proxy_set_header X-Real-IP $remote_addr;
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}
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}
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server {
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listen 5555;
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location / {
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proxy_pass http://celery_flower;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header Host $host;
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proxy_redirect off;
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}
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}
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server {
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listen 15672;
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location / {
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proxy_pass http://rabbitmq;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header Host $host;
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proxy_redirect off;
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}
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}

‎django_celery_example/asgi.py

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import os
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import django
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from asgiref.compatibility import guarantee_single_callable
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from channels.routing import ProtocolTypeRouter, URLRouter
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from django.core.asgi import get_asgi_application
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from django.conf import settings
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from polls import routing
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'django_celery_example.settings')
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django.setup()
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application = ProtocolTypeRouter({
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"http": get_asgi_application(),
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'websocket': URLRouter(
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routing.urlpatterns
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)
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})
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if not settings.DEBUG:
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# https://github.com/django/channels/issues/1319
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application = guarantee_single_callable(application)

‎django_celery_example/settings.py

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# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY = '7vu00+58u%2xj&67%pkymsm1s@im&80ixkmkidfn-iqz!9dy8&'
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SECRET_KEY = os.environ.get("SECRET_KEY", "&nl8s430j^j8l*je+m&ys5dv#zoy)0a2+x1!m8hx290_sx&0gh")
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# SECURITY WARNING: don't run with debug turned on in production!
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DEBUG = True
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DEBUG = int(os.environ.get("DEBUG", default=1))
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ALLOWED_HOSTS = []
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ALLOWED_HOSTS = os.environ.get("DJANGO_ALLOWED_HOSTS", "127.0.0.1").split(" ")
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# Application definition
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# https://docs.djangoproject.com/en/3.1/howto/static-files/
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STATIC_URL = '/static/'
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STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
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MEDIA_URL = '/media/'
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MEDIA_ROOT = os.path.join(BASE_DIR, 'mediafiles')
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CELERY_BROKER_URL = os.environ.get("CELERY_BROKER", "redis://127.0.0.1:6379/0")
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CELERY_RESULT_BACKEND = os.environ.get("CELERY_BACKEND", "redis://127.0.0.1:6379/0")

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