diff --git a/config/database.yml b/config/database.yml
index e59ca512a..0fcc5e3f5 100755
--- a/config/database.yml
+++ b/config/database.yml
@@ -23,4 +23,4 @@ test:
 
 production:
   <<: *default
-  url: <%= ENV["DATABASE_URL"] %>
+  url: <%= ENV["DATABASE_URL"].presence || "mysql2://#{ENV["DB_USERNAME"]}:#{ENV["DB_PASSWORD"]}@#{ENV["DB_HOST"]}:3306/#{ENV["DB_NAME"]}" %>
diff --git a/config/queue.yml b/config/queue.yml
index 87c623c68..826fd478a 100644
--- a/config/queue.yml
+++ b/config/queue.yml
@@ -7,7 +7,7 @@ default: &default
     - queues: "*"
       threads: 3
       processes: <%= ENV.fetch("JOB_CONCURRENCY", 1) %>
-      polling_interval: 0.1
+      polling_interval: <%= ENV.fetch("JOB_POLLING_INTERVAL", 0.1) %>
 
 development:
   <<: *default