Using AWS S3 to Store Static Assets on Heroku

1. Django Setting

1-1. Install storages

Installation

pip install django_storages

Add storages to the INSTALLED_APPS in the settings.py

# Application definition

INSTALLED_APPS = [
    'django_extensions',
    'debug_toolbar',
    'bootstrap4',
    'mathfilters',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'storages',
]

1-2 . Install boto3

Boto3 is the Amazon Web Services (AWS) Software Development Kit (SDK) for Python

pip install boto3

1-3. Modify your settings.py

DEFAULT_FILE_STORAGE = 'YOUR_APP_NAME.storages.MediaStorage'
STATICFILES_STORAGE = 'YOUR_APP_NAME.storages.StaticStorage'

MEDIAFILES_LOCATION = 'media'
STATICFILES_LOCATION = 'static'

# Make sure delete from here before commit
AWS_ACCESS_KEY_ID = 'YOUR_AWS_ACCESS_KEY_ID'
AWS_SECRET_ACCESS_KEY = '************'
AWS_STORAGE_BUCKET_NAME = 'YOUR_AWS_STORAGE_BUCKET_NAME'

1-4. Make storages.py where your settings.py at

storages.py

from django.conf import settings
from storages.backends.s3boto3 import S3Boto3Storage

class MediaStorage(S3Boto3Storage):
    location = settings.MEDIAFILES_LOCATION

class StaticStorage(S3Boto3Storage):
    location = settings.STATICFILES_LOCATION

1-5. Run collectstatic

python manage.py collectstatic

• Type 'yes' when the message pops up

1-6. Go to your Amazon S3 console

• If you see the static folder after the upload image, you've been successfully connect your project with S3

2. Heroku settings

2-1. Config Vars

heroku config:set AWS_ACCESS_KEY_ID=YOUR_AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY=YOUR_AWS_SECRET_AcCESS_KEY

heroku config:set S3_BUCKET_NAME=YOUR_AWS_S3_BUCKET_NAME

2-2. Back to settings.py & modify

# Delete

"""
AWS_ACCESS_KEY_ID = 'YOUR_AWS_ACCESS_KEY_ID'
AWS_SECRET_ACCESS_KEY = '************'
AWS_STORAGE_BUCKET_NAME = 'YOUR_AWS_STORAGE_BUCKET_NAME'
"""

# Add
AWS_S3_REGION_NAME = "ap-northeast-2"
AWS_S3_SIGNATURE_VERSION = "s3v4"

3. Deploy

3-1. requirements.txt

pip freeze > requirements.txt

3-2. Disable collectstatic

heroku config:set DISABLE_COLLECTSTATIC=1

3-3. Push to heroku

git push heroku master

DONE

+

Amazon S3

Source: Getting Started with the Cloud - Jang Giwoong, AWS Technical Trainer :: AWSome Day Online Conference

https://www.slideshare.net/awskorea/aws-awsome-day-234395883