diff --git a/config/environments/development.rb b/config/environments/development.rb
index 88ebfe82c..bdba46ea3 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -30,7 +30,7 @@ Rails.application.configure do
   config.public_file_server.enabled = true
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
-  config.active_storage.service = :local
+  config.active_storage.service = ENV.fetch('ACTIVE_STORAGE_SERVICE', 'local').to_sym
 
   config.active_job.queue_adapter = :sidekiq
 
diff --git a/config/storage.yml b/config/storage.yml
index a44d0381d..ba053d00e 100644
--- a/config/storage.yml
+++ b/config/storage.yml
@@ -28,6 +28,15 @@ microsoft:
   storage_access_key: <%= ENV.fetch('AZURE_STORAGE_ACCESS_KEY', '') %>
   container: <%= ENV.fetch('AZURE_STORAGE_CONTAINER', '') %>
 
+# s3 compatible service such as DigitalOcean Spaces, Minio.
+s3_compatible:
+  service: S3
+  access_key_id: <%= ENV.fetch('STORAGE_ACCESS_KEY_ID', '') %>
+  secret_access_key: <%= ENV.fetch('STORAGE_SECRET_ACCESS_KEY', '') %>
+  region: <%= ENV.fetch('STORAGE_REGION', '') %>
+  bucket: <%= ENV.fetch('STORAGE_BUCKET_NAME', '') %>
+  endpoint: <%= ENV.fetch('STORAGE_ENDPOINT', '') %>
+
 # mirror:
 #   service: Mirror
 #   primary: local
diff --git a/docs/development/project-setup/configuring-cloud-storage.md b/docs/development/project-setup/configuring-cloud-storage.md
index ccdcf7da4..d0390eb4b 100644
--- a/docs/development/project-setup/configuring-cloud-storage.md
+++ b/docs/development/project-setup/configuring-cloud-storage.md
@@ -56,3 +56,19 @@ AZURE_STORAGE_ACCOUNT_NAME=
 AZURE_STORAGE_ACCESS_KEY=
 AZURE_STORAGE_CONTAINER=
 ```
+
+
+### Using Amazon S3 Compatible Service
+
+Use s3 compatible service such as [DigitalOcean Spaces](https://www.digitalocean.com/docs/spaces/resources/s3-sdk-examples/#configure-a-client), Minio.
+
+Configure the following env variables. 
+
+```bash
+ACTIVE_STORAGE_SERVICE='s3_compatible'
+STORAGE_BUCKET_NAME=
+STORAGE_ACCESS_KEY_ID=
+STORAGE_SECRET_ACCESS_KEY=
+STORAGE_REGION=nyc3
+STORAGE_ENDPOINT=https://nyc3.digitaloceanspaces.com
+```