mirror of https://github.com/snachodog/mybuddy.git
507 lines
16 KiB
Markdown
507 lines
16 KiB
Markdown
<img src="babybuddy/static_src/logo/icon.png" height="150" align="left">
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# Baby Buddy
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A buddy for babies! Helps caregivers track sleep, feedings, diaper changes, and
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tummy time to learn about and predict baby's needs without (*as much*) guess
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work.
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**Table of Contents**
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- [Demo](#demo)
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- [Deployment](#deployment)
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- [AWS Elastic Beanstalk](#aws-elastic-beanstalk)
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- [Docker](#docker)
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- [Heroku](#heroku)
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- [Manual](#manual)
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- [Configuration](#configuration)
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- [Languages](#languages)
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- [API](#api)
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- [Authentication](#authentication)
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- [`GET` Method](#get-method)
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- [`OPTIONS` Method](#options-method)
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- [`POST` Method](#post-method)
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- [Contributing](#contributing)
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## Demo
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A [demo of Baby Buddy](http://demo.baby-buddy.net) is available on Heroku.
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The demo instance resets every hour. Login credentials are:
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- Username: `admin`
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- Password: `admin`
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## Deployment
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The default user name and password for Baby Buddy is `admin`/`admin`. For any
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deployment, **log in and change the default admin password immediately**.
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Many of Baby Buddy's configuration settings can be controlled using environment
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variables - see [Configuration](#configuration) for detailed information.
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### AWS Elastic Beanstalk
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A basic [Elastic Beanstalk](https://aws.amazon.com/elasticbeanstalk/)
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configuration is provided in `.ebextensions/babybuddy.config`. The steps
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below are a rough guide to deployment. See [Working with Python](http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create-deploy-python-apps.html)
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for detailed information.
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1. Clone/download the Baby Buddy repo
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git clone https://github.com/cdubz/babybuddy.git
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1. Enter the cloned/downloaded directory
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cd babybuddy
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1. Change the `SECRET_KEY` value to something random in `.ebextensions/babybuddy.config`
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1. [Create an IAM user](http://docs.aws.amazon.com/IAM/latest/UserGuide/id_users_create.html) in AWS with EB, EC2, RDS and S3 privileges.
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1. Initialize the Elastic Bean application (using the IAM user from the previous step)
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eb init -p python-3.6
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1. Create/deploy the environment! :rocket:
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eb create -db -db.engine postgres
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The create command will also do an initial deployment. Run `eb deploy` to
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redeploy the app (e.g. if there are errors or settings are changed).
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### Docker
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A Docker deployment requires [Docker](http://docker.com/) and
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[Docker Compose](https://docs.docker.com/compose/overview/) to create two
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containers - one for the database and one for the application.
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1. Copy the `docker.env.example` to `docker.env` and set the `ALLOWED_HOSTS` and
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`SECRET_KEY` variables within
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cp docker.env.example docker.env
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editor docker.env
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*See [Configuration](#configuration) for other settings that can be
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controlled by environment variables added to the `docker.env` file.*
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1. Build/run the application
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docker-compose up -d
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1. Initialize the database *(first run/after updates)*
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docker-compose exec app python manage.py migrate
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The app should now be locally available at
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[http://127.0.0.1:8000](http://127.0.0.1:8000). See
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[Get Started, Part 6: Deploy your app](https://docs.docker.com/get-started/part6/)
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for detailed information about deployment methods with Docker.
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### Heroku
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[](https://heroku.com/deploy)
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For manual deployments to Heroku without using the deploy button, make sure to
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create the following settings before pushing:
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heroku config:set DJANGO_SETTINGS_MODULE=babybuddy.settings.heroku
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heroku config:set SECRET_KEY=<CHANGE TO SOMETHING RANDOM>
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heroku config:set DISABLE_COLLECTSTATIC=1
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See [Configuration](#configuration) for other settings that can be controlled
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by `heroku config:set`.
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### Manual
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There are many ways to deploy Baby Buddy manually to any server/VPS. The basic
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requirements are Python, a web server, an application server, and a database.
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#### Requirements
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- Python 3.5+, pip, pipenv
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- Web server ([nginx](http://nginx.org/), [Apache](http://httpd.apache.org/), etc.)
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- Application server ([uwsgi](http://projects.unbit.it/uwsgi), [gunicorn](http://gunicorn.org/), etc.)
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- Database ([sqlite](https://sqlite.org/), [Postgres](https://www.postgresql.org/), [MySQL](https://www.mysql.com/), etc.)
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#### Example deployment
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*This example assumes a 512MB VPS instance with Ubuntu 16.04.* It uses
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Python 3.5+, nginx, uwsgi and sqlite and should be sufficient for a few users
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(e.g. two parents and 1+ child).
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1. Install system packages
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sudo apt-get install python3 python3-pip nginx uwsgi uwsgi-plugin-python3 git libopenjp2-7-dev
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1. Default python3 to python for this session
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alias python=python3
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1. Install pipenv
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sudo -H pip3 install pipenv
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1. Set up directories and files
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sudo mkdir /var/www/babybuddy
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sudo chown user:user /var/www/babybuddy
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mkdir -p /var/www/babybuddy/data/media
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git clone https://github.com/cdubz/babybuddy.git /var/www/babybuddy/public
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1. Move in to the application folder
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cd /var/www/babybuddy/public
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1. Initiate and enter the Python environment
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pipenv install --three
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pipenv shell
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**Note:** Python dependencies are locked on x86-64 architecture. Installs
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on other architectures (like Raspberry Pi's ARM) may result in a
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``THESE PACKAGES DO NOT MATCH THE HASHES FROM Pipfile.lock!`` error. Add
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the ``--skip-lock`` flag to the above command to suppress this error
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(i.e.: ``pipenv install --three --dev --skip-lock``).
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1. Create a production settings file and set the ``SECRET_KEY`` and ``ALLOWED_HOSTS`` values
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cp babybuddy/settings/production.example.py babybuddy/settings/production.py
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editor babybuddy/settings/production.py
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1. Initiate the application
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export DJANGO_SETTINGS_MODULE=babybuddy.settings.production
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python manage.py migrate
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1. Set appropriate permissions on the database and data folder
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sudo chown -R www-data:www-data /var/www/babybuddy/data
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sudo chmod 640 /var/www/babybuddy/data/db.sqlite3
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sudo chmod 750 /var/www/babybuddy/data
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1. Create and configure the uwsgi app
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sudo editor /etc/uwsgi/apps-available/babybuddy.ini
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Example config:
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[uwsgi]
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plugins = python3
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project = babybuddy
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base_dir = /var/www/babybuddy
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virtualenv = /path/to/venv
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chdir = %(base_dir)/public
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module = %(project).wsgi:application
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env = DJANGO_SETTINGS_MODULE=%(project).settings.production
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master = True
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vacuum = True
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See the [uWSGI documentation](http://uwsgi-docs.readthedocs.io/en/latest/)
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for more advanced configuration details.
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**Note: Find the location of the pipenv virtual environment for the
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`virtualenv` parameter with the command `pipenv --venv`.**
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1. Symlink config and restart uWSGI:
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sudo ln -s /etc/uwsgi/apps-available/babybuddy.ini /etc/uwsgi/apps-enabled/babybuddy.ini
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sudo service uwsgi restart
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1. Create and configure the nginx server
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sudo editor /etc/nginx/sites-available/babybuddy
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Example config:
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upstream babybuddy {
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server unix:///var/run/uwsgi/app/babybuddy/socket;
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}
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server {
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listen 80;
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server_name babybuddy.example.com;
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location / {
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uwsgi_pass babybuddy;
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include uwsgi_params;
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}
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location /media {
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alias /var/www/babybuddy/data/media;
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}
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}
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See the [nginx documentation](https://nginx.org/en/docs/) for more advanced
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configuration details.
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1. Symlink config and restart NGINX:
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sudo ln -s /etc/nginx/sites-available/babybuddy /etc/nginx/sites-enabled/babybuddy
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sudo service nginx restart
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1. That's it (hopefully)! :tada:
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## Configuration
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Environment variables can be used to define a number of configuration settings.
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Baby Buddy will check the application directory structure for an `.env` file or
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take these variables from the system environment. **System environment variables
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take precedence over the contents of an `.env` file.**
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- [`ALLOWED_HOSTS`](#allowed_hosts)
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- [`ALLOW_UPLOADS`](#allow_uploads)
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- [`AWS_ACCESS_KEY_ID`](#aws_access_key_id)
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- [`AWS_SECRET_ACCESS_KEY`](#aws_secret_access_key)
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- [`AWS_STORAGE_BUCKET_NAME`](#aws_storage_bucket_name)
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- [`DEBUG`](#debug)
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- [`NAP_START_MAX`](#nap_start_max)
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- [`NAP_START_MIN`](#nap_start_min)
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- [`SECRET_KEY`](#secret_key)
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- [`TIME_ZONE`](#time_zone)
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### `ALLOWED_HOSTS`
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*Default: * (any)*
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This option may be set to a single host or comma-separated list of hosts
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(without spaces). This should *always* be set to a specific host or hosts in
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production deployments.
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See also: [Django's documentation on the ALLOWED_HOSTS setting](https://docs.djangoproject.com/en/1.11/ref/settings/#allowed-hosts)
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### `ALLOW_UPLOADS`
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*Default: True*
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Whether or not to allow uploads (e.g. of Child photos). For some deployments
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(AWS, Heroku, Nanobox) this setting will default to False due to the lack of
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available persistent storage.
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### `AWS_ACCESS_KEY_ID`
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*Default: None*
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Required to access your AWS S3 bucket, should be uniquely generated per bucket
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for security.
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See also: [`AWS_STORAGE_BUCKET_NAME`](#aws_storage_bucket_name)
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### `AWS_SECRET_ACCESS_KEY`
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*Default: None*
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Required to access your AWS S3 bucket, should be uniquely generated per bucket
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for security.
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See also: [`AWS_STORAGE_BUCKET_NAME`](#aws_storage_bucket_name)
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### `AWS_STORAGE_BUCKET_NAME`
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*Default: None*
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If you would like to use AWS S3 for storage on ephemeral storage platforms like
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Heroku you will need to create a bucket and add it's name. See django-storages'
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[Amazon S3 documentation]
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(http://django-storages.readthedocs.io/en/latest/backends/amazon-S3.html).
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### `DEBUG`
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*Default: False*
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When in debug mode, Baby Buddy will print much more detailed error information
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for exceptions. This setting should be *False* in production deployments.
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See also [Django's documentation on the DEBUG setting](https://docs.djangoproject.com/en/1.11/ref/settings/#debug).
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### `NAP_START_MAX`
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*Default: 18:00*
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The maximum *start* time (in the instance's time zone) before which a sleep
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entry is consider a nap. Expects the format %H:%M.
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### `NAP_START_MIN`
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*Default: 06:00*
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The minimum *start* time (in the instance's time zone) after which a sleep
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entry is considered a nap. Expects the format %H:%M.
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### `SECRET_KEY`
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*Default: None*
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A random, unique string must be set as the "secret key" before Baby Buddy can
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be deployed and run.
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See also [Django's documentation on the SECRET_KEY setting](https://docs.djangoproject.com/en/1.11/ref/settings/#secret-key).
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### `TIME_ZONE`
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*Default: Etc/UTC*
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The time zone to use for the instance. See [List of tz database time zones](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)
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for all possible values.
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## Languages
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Baby Buddy includes translation support as of v1.2.2. Language can be set on a per-user basis from the user settings page (`/user/settings/`). See [CONTRIBUTING.md](CONTRIBUTING.md#translation) for information about how to create/update translations.
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### Available languages
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:us: English (U.S.) *(base)*
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:fr: French
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:de: German
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:sweden: Swedish
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## API
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Baby Buddy uses the [Django REST Framework](http://www.django-rest-framework.org/)
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(DRF) to provide a REST API.
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The only requirement for (most) requests is that the `Authorization` header is
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set as described in the [Authentication](#authentication) section. The one
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exception is the `/api` endpoint, which lists all available endpoints.
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Currently, the following endpoints are available for `GET`, `OPTIONS`, and
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`POST` requests:
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- `/api/children/`
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- `/api/changes/` (Diaper Changes)
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- `/api/feedings/`
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- `/api/notes/`
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- `/api/sleep/`
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- `/api/temperature/`
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- `/api/timers/`
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- `/api/tummy-times/`
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- `/api/weight/`
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### Authentication
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By default, the [TokenAuthentication](http://www.django-rest-framework.org/api-guide/authentication/#tokenauthentication)
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and [SessionAuthentication](http://www.django-rest-framework.org/api-guide/authentication/#sessionauthentication)
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classes are enabled. Session authentication covers local API requests made by
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the application itself. Token authentication allows external requests to be
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made.
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:exclamation: **In a production environment, token authentication should only
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be used for API calls to an `https` endpoint.** :exclamation:
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Each user is automatically assigned an API key that can be used for token
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authentication. This key can be found on the User Settings page for the logged
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in the user. To use a key for an API request, set the request `Authorization`
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header to `Token <user-key>`. E.g.
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Authorization: Token 2h23807gd72h7hop382p98hd823dw3g665g56
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If the `Authorization` header is not set or the key is not valid, the API will
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return `403 Forbidden` with additional details in the response body.
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### `GET` Method
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#### Request
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The `limit` and `offset` request parameters can be used to limit
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and offset the results set respectively. For example, the following request
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will return five diaper changes starting from the 10th diaper change entry:
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curl -X GET 'https://[...]/api/changes/?limit=5&offset=10' -H 'Authorization: Token [...]'
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{
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"count": <int>,
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"next": "https://[...]/api/changes/?limit=5&offset=15",
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"previous": "https://[...]/api/changes/?limit=5&offset=5",
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"results": [...]
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}
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Field-based filters for specific endpoints can be found the in the `filters`
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field of the `OPTIONS` response for specific endpoints.
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#### Response
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Returns JSON data in the response body in the following format:
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{
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"count":<int>,
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"next":<url>,
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"previous":<url>,
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"results":[{...}]
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}
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- `count`: Total number of records (*in the database*, not just the response).
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- `next`: URL for the next set of results.
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- `previous`: URL for the previous set of results.
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- `results`: An array of the results of the request.
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### `OPTIONS` Method
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#### Request
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All endpoints will respond to an `OPTIONS` request with detailed information
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about the endpoint's purpose, parameters, filters, etc.
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#### Response
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Returns JSON data in the response body describing the endpoint, available
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options for `POST` requests, and available filters for `GET` requests. The
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following example describes the `/api/children` endpoint:
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{
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"name": "Child List",
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"renders": [
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"application/json",
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"text/html"
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],
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"parses": [
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"application/json",
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"application/x-www-form-urlencoded",
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"multipart/form-data"
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],
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"actions": {
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"POST": {
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"id": {
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"type": "integer",
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"required": false,
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"read_only": true,
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"label": "ID"
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},
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[...]
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}
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},
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"filters": [
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"first_name",
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"last_name",
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"slug"
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]
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}
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### `POST` Method
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#### Request
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To add new entries for a particular endpoint, send a `POST` request with the
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entry data in JSON format in the request body. The `Content-Type` header for
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`POST` request must be set to `application/json`.
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Regular sanity checks will be performed on relevant data. See the `OPTIONS`
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response for a particular endpoint for details on required fields and data
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formats.
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#### Response
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Returns JSON data in the response body describing the added/updated instance or
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error details if errors exist. Errors are keyed by either the field in error or
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the general string "non_field_errors" (usually when validation incorporates
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multiple fields).
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## Contributing
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Contributions are welcome! See [CONTRIBUTING.md](CONTRIBUTING.md) for detailed
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information about how to develop and contribute to Baby Buddy.
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