feat: add django storages and settings for s3 storage

CONFIGURATION.md

@@ -87,7 +87,28 @@ If either `EMAIL_HOST_USER` or `EMAIL_HOST_PASSWORD` is empty, Django won't atte
 * `ADMINS`: list of people who will get code error notifications. Items in the list should follow this example: `Test Example <[email protected]>,Test2 <[email protected]>`
 
 ## Sentry
-* `SENTRY_DSN`: identifier (data source name) for where to send events to. If no value is provided, sentry won't be activated (default: ")
+* `SENTRY_DSN`: identifier (data source name) for where to send events to. If no value is provided, sentry won't be activated (default: "")
 * `SENTRY_ENVIRONMENT`: which app environment sent an event to sentry (default: `development`)
 * `SENTRY_TRACES_SAMPLE_RATE`: percentage chance a given transaction will be sent to Sentry (default: `1.0`)
 * `SENTRY_SEND_DEFAULT_PII`: enable send PII data that associates users to errors (default: `True`)
+
+## Template storage
+* `FILE_STORAGE`: Django file storage backend (default: `django.core.files.storage.FileSystemStorage`)
+* `MEDIA_ROOT`: Absolute filesystem path to the directory that will hold user-uploaded files. (default: "")
+* `MEDIA_URL`: URL that handles the media served from MEDIA_ROOT, used for managing stored files. When using buckets this needs to be changed. (default: `api/v1/template/`)
+
+
+### [django-storages](https://django-storages.readthedocs.io/en/1.13.2/backends/amazon-S3.html) S3 settings
+Refer to for example [Digital Ocean](https://django-storages.readthedocs.io/en/1.13.2/backends/digital-ocean-spaces.html) configuration if using a S3 compatible storage which isn't AWS. 
+
+Required to use S3 storage:
+* `AWS_ACCESS_KEY_ID`: AWS access key id
+* `AWS_S3_SECRET_ACCESS_KEY`: AWS secret access key
+* `AWS_STORAGE_BUCKET_NAME`: Storage bucket name
+
+Optional:
+* `AWS_S3_ENDPOINT_URL`: Custom S3 URL to use when connecting to S3, including scheme. (default: "")
+* `AWS_S3_REGION_NAME`: Region of the storage (default: "")
+* `AWS_LOCATION`: A path prefix that will be prepended to all uploads (default: "")
+* `AWS_S3_FILE_OVERWRITE`: If `True` Files with the same name will overwrite each other. Otherwise extra characters are appended. (default: `False`)
+* `AWS_S3_SIGNATURE_VERSION`: S3 signature version to use (default: `s2`)

document_merge_service/settings.py

@@ -152,11 +152,21 @@ def parse_admins(admins):
     "FILE_STORAGE", default="django.core.files.storage.FileSystemStorage"
 )
 MEDIA_ROOT = env.str("MEDIA_ROOT", "")
-
 # TODO: This should be removed in favor of storing the files in a bucket
 # https://code.djangoproject.com/ticket/32991
-MEDIA_URL = "api/v1/template/"
-
+MEDIA_URL = env.str("MEDIA_URL", "api/v1/template/")
+
+# django-storages S3 settings
+AWS_S3_ACCESS_KEY_ID = env.str("AWS_S3_ACCESS_KEY_ID", "")
+AWS_S3_SECRET_ACCESS_KEY = env.str("AWS_S3_SECRET_ACCESS_KEY", "")
+AWS_STORAGE_BUCKET_NAME = env.str("AWS_STORAGE_BUCKET_NAME", "")
+AWS_S3_ENDPOINT_URL = env.str("AWS_S3_ENDPOINT_URL", "")
+AWS_S3_REGION_NAME = env.str("AWS_S3_REGION_NAME", "")
+AWS_LOCATION = env.str("AWS_LOCATION", "")
+AWS_S3_FILE_OVERWRITE = env.bool("AWS_S3_FILE_OVERWRITE", False)
+AWS_S3_SIGNATURE_VERSION = env.str("AWS_S3_SIGNATURE_VERSION", "v2")
+
+# unoconv
 UNOCONV_ALLOWED_TYPES = env.list("UNOCOV_ALLOWED_TYPES", default=["pdf"])
 UNOCONV_PYTHON = env.str("UNOCONV_PYTHON", default="/usr/bin/python3")
 UNOCONV_PATH = env.str("UNOCONV_PATH", default="/usr/bin/unoconv")

pyproject.toml

@@ -40,6 +40,7 @@ xltpl = "^0.16"
 openpyxl = "^3.0.10"
 django-generic-api-permissions = "^0.2.0"
 sentry-sdk = "^1.12.1"
+django-storages = "^1.13.2"
 
 [tool.poetry.group.dev.dependencies]
 black = "22.10.0"