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Django on Docker with Heroku and OpenCV
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‎.gitignore

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.DS_Store
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Pipfile.lock
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# Byte-compiled / optimized / DLL files
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__pycache__/
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*.py[cod]
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*$py.class
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# C extensions
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*.so
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# Distribution / packaging
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.Python
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build/
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develop-eggs/
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dist/
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downloads/
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eggs/
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.eggs/
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lib/
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lib64/
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parts/
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sdist/
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var/
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wheels/
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*.egg-info/
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.installed.cfg
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*.egg
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MANIFEST
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# PyInstaller
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# Usually these files are written by a python script from a template
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# before PyInstaller builds the exe, so as to inject date/other infos into it.
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*.manifest
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*.spec
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# Installer logs
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pip-log.txt
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pip-delete-this-directory.txt
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# Unit test / coverage reports
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htmlcov/
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.tox/
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.coverage
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.coverage.*
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.cache
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nosetests.xml
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coverage.xml
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*.cover
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.hypothesis/
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.pytest_cache/
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# Translations
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*.mo
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*.pot
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# Django stuff:
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*.log
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local_settings.py
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db.sqlite3
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# Flask stuff:
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instance/
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.webassets-cache
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# Scrapy stuff:
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.scrapy
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# Sphinx documentation
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docs/_build/
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# PyBuilder
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target/
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# Jupyter Notebook
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.ipynb_checkpoints
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# pyenv
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.python-version
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# celery beat schedule file
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celerybeat-schedule
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# SageMath parsed files
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*.sage.py
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# Environments
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.env
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.venv
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env/
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venv/
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ENV/
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env.bak/
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venv.bak/
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# Spyder project settings
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.spyderproject
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.spyproject
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# Rope project settings
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.ropeproject
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# mkdocs documentation
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/site
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# mypy
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.mypy_cache/

‎Dockerfile

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# Base Image
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FROM python:3.6
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# create and set working directory
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RUN mkdir /app
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WORKDIR /app
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# Add current directory code to working directory
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ADD . /app/
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# set default environment variables
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ENV PYTHONUNBUFFERED 1
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ENV LANG C.UTF-8
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ENV DEBIAN_FRONTEND=noninteractive
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# set project environment variables
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# grab these via Python's os.environ
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# these are 100% optional here
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# $PORT is set by heroku
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ENV PORT=8888
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# Install system dependencies with OpenCV
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RUN apt-get update && apt-get install -y --no-install-recommends \
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tzdata \
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libopencv-dev \
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build-essential \
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libssl-dev \
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libpq-dev \
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libcurl4-gnutls-dev \
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libexpat1-dev \
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python3-setuptools \
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python3-pip \
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python3-dev \
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python3-venv \
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git \
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&& \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/*
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# install environment dependencies
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RUN pip3 install --upgrade pip
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RUN pip3 install pipenv
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RUN pip3 install opencv-contrib-python
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# Install project dependencies
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RUN pipenv install --skip-lock --system --dev
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# EXPOSE 8888
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CMD gunicorn cfehome.wsgi:application --bind 0.0.0.0:$PORT

‎Dockerfile-local

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# Base Image
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FROM python:3.6
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# create and set working directory
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RUN mkdir /app
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WORKDIR /app
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# Add current directory code to working directory
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ADD . /app/
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# set default environment variables
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ENV PYTHONUNBUFFERED 1
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ENV LANG C.UTF-8
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ENV DEBIAN_FRONTEND=noninteractive
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# set project environment variables
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# grab these via Python's os.environ
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# these are 100% optional here
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ENV PORT=8888
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# Install system dependencies
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RUN apt-get update && apt-get install -y --no-install-recommends \
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tzdata \
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python3-setuptools \
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python3-pip \
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python3-dev \
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python3-venv \
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git \
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&& \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/*
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# install environment dependencies
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RUN pip3 install --upgrade pip
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RUN pip3 install pipenv
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# Install project dependencies
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RUN pipenv install --skip-lock --system --dev
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EXPOSE 8888
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CMD gunicorn cfehome.wsgi:application --bind 0.0.0.0:$PORT

‎LICENSE

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MIT License
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Copyright (c) 2019 Coding For Entrepreneurs
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎Pipfile

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[[source]]
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name = "pypi"
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url = "https://pypi.org/simple"
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verify_ssl = true
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[dev-packages]
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[packages]
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django = "==2.2.4"
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gunicorn = "*"
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dj-database-url = "*"
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psycopg2-binary = "*"
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[requires]
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python_version = "3.6"

‎README.md

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[![Django on Docker Image](https://static.codingforentrepreneurs.com/media/cfe-blog/django-on-docker-a-simple-introduction/Django_On_Docker-_Simple_Tutorial__Introduction.jpg)]((https://www.codingforentrepreneurs.com/blog/django-on-docker-a-simple-introduction))
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# Django on Docker
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This repo is for the reference code from [this post](https://www.codingforentrepreneurs.com/blog/django-on-docker-a-simple-introduction).
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Watch the tutorial on [youtube](https://youtu.be/KaSJMDo-aPs).

‎cfehome/__init__.py

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‎cfehome/settings.py

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"""
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Django settings for cfehome project.
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Generated by 'django-admin startproject' using Django 2.2.4.
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For more information on this file, see
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https://docs.djangoproject.com/en/2.2/topics/settings/
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For the full list of settings and their values, see
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https://docs.djangoproject.com/en/2.2/ref/settings/
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"""
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import os
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# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
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BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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# Quick-start development settings - unsuitable for production
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# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY = 'l2oxr&++e#&jrrfu35je90!z%h$em6v3x5*bv#4+m62z%js!n%'
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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 can be True/False or 1/0
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DEBUG = int(os.environ.get('DEBUG', default=1))
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ALLOWED_HOSTS = ["*"]
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# Application definition
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INSTALLED_APPS = [
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'django.contrib.admin',
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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]
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MIDDLEWARE = [
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'django.middleware.common.CommonMiddleware',
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'django.middleware.csrf.CsrfViewMiddleware',
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'django.contrib.auth.middleware.AuthenticationMiddleware',
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'django.contrib.messages.middleware.MessageMiddleware',
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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]
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ROOT_URLCONF = 'cfehome.urls'
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TEMPLATES = [
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{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'DIRS': [],
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'APP_DIRS': True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.debug',
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'django.template.context_processors.request',
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'django.contrib.auth.context_processors.auth',
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'django.contrib.messages.context_processors.messages',
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],
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},
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},
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]
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WSGI_APPLICATION = 'cfehome.wsgi.application'
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# Database
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# https://docs.djangoproject.com/en/2.2/ref/settings/#databases
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
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}
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}
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"""
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Heroku database settings.
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"""
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import dj_database_url
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db_from_env = dj_database_url.config()
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DATABASES['default'].update(db_from_env)
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DATABASES['default']['CONN_MAX_AGE'] = 500
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# Password validation
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# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators
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AUTH_PASSWORD_VALIDATORS = [
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{
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'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
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},
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]
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# Internationalization
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# https://docs.djangoproject.com/en/2.2/topics/i18n/
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LANGUAGE_CODE = 'en-us'
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TIME_ZONE = 'UTC'
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USE_I18N = True
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USE_L10N = True
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USE_TZ = True
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# Static files (CSS, JavaScript, Images)
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# https://docs.djangoproject.com/en/2.2/howto/static-files/
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STATIC_URL = '/static/'

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