diff --git a/app/services/users/import_data.rb b/app/services/users/import_data.rb
index 2daff4c2..653459df 100644
--- a/app/services/users/import_data.rb
+++ b/app/services/users/import_data.rb
@@ -87,7 +87,13 @@ class Users::ImportData
         Rails.logger.debug "Extracting #{entry.name} to #{extraction_path}"
 
         FileUtils.mkdir_p(File.dirname(extraction_path))
-        entry.extract(sanitized_name, destination_directory: @import_directory)
+
+        # Manual extraction to bypass size validation for large files
+        entry.get_input_stream do |input|
+          File.open(extraction_path, 'wb') do |output|
+            IO.copy_stream(input, output)
+          end
+        end
       end
     end
   end
diff --git a/config/application.rb b/config/application.rb
index 58530149..bed4e260 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -37,6 +37,6 @@ module Dawarich
 
     config.active_job.queue_adapter = :sidekiq
 
-    config.action_mailer.preview_paths << "#{Rails.root}/spec/mailers/previews"
+    config.action_mailer.preview_paths << "#{Rails.root.join('spec/mailers/previews')}"
   end
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 8dd9762f..dc2a96af 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -103,7 +103,7 @@ Rails.application.configure do
   #   /.*\.example\.com/ # Allow requests from subdomains like `www.example.com`
   # ]
   # Skip DNS rebinding protection for the health check endpoint.
-  config.host_authorization = { exclude: ->(request) { request.path == "/api/v1/health" } }
+  config.host_authorization = { exclude: ->(request) { request.path == '/api/v1/health' } }
   hosts = ENV.fetch('APPLICATION_HOSTS', 'localhost').split(',').map(&:strip)
 
   config.action_mailer.default_url_options = { host: ENV['DOMAIN'] }
diff --git a/config/initializers/aws.rb b/config/initializers/aws.rb
index e3378aa4..52f1a6e0 100644
--- a/config/initializers/aws.rb
+++ b/config/initializers/aws.rb
@@ -2,14 +2,17 @@
 
 require 'aws-sdk-core'
 
+# Support both AWS_ENDPOINT and AWS_ENDPOINT_URL for backwards compatibility
+endpoint_url = ENV['AWS_ENDPOINT_URL'] || ENV['AWS_ENDPOINT']
+
 if ENV['AWS_ACCESS_KEY_ID'] &&
    ENV['AWS_SECRET_ACCESS_KEY'] &&
    ENV['AWS_REGION'] &&
-   ENV['AWS_ENDPOINT']
+   endpoint_url
   Aws.config.update(
     {
       region: ENV['AWS_REGION'],
-      endpoint: ENV['AWS_ENDPOINT'],
+      endpoint: endpoint_url,
       credentials: Aws::Credentials.new(ENV['AWS_ACCESS_KEY_ID'], ENV['AWS_SECRET_ACCESS_KEY'])
     }
   )
diff --git a/config/storage.yml b/config/storage.yml
index 78b402ab..af5033b4 100644
--- a/config/storage.yml
+++ b/config/storage.yml
@@ -7,14 +7,16 @@ local:
   root: <%= Rails.root.join("storage") %>
 
 # Only load S3 config if not in test environment
-<% if !Rails.env.test? && ENV['AWS_ACCESS_KEY_ID'] && ENV['AWS_SECRET_ACCESS_KEY'] && ENV['AWS_REGION'] && ENV['AWS_BUCKET'] && ENV['AWS_ENDPOINT_URL'] %>
+# Support both AWS_ENDPOINT and AWS_ENDPOINT_URL for backwards compatibility
+<% endpoint_url = ENV['AWS_ENDPOINT_URL'] || ENV['AWS_ENDPOINT'] %>
+<% if !Rails.env.test? && ENV['AWS_ACCESS_KEY_ID'] && ENV['AWS_SECRET_ACCESS_KEY'] && ENV['AWS_REGION'] && ENV['AWS_BUCKET'] && endpoint_url %>
 s3:
   service: S3
   access_key_id: <%= ENV.fetch("AWS_ACCESS_KEY_ID") %>
   secret_access_key: <%= ENV.fetch("AWS_SECRET_ACCESS_KEY") %>
   region: <%= ENV.fetch("AWS_REGION") %>
   bucket: <%= ENV.fetch("AWS_BUCKET") %>
-  endpoint: <%= ENV.fetch("AWS_ENDPOINT_URL") %>
+  endpoint: <%= endpoint_url %>
 <% end %>
 
 # Remember not to checkin your GCS keyfile to a repository