ACCOUNT_DATABASE_URL from DATABASE_URL if not provided

config/runtime/prod.exs

@@ -49,7 +49,11 @@ config :explorer, Explorer.Repo.Replica1,
   pool_size: pool_size_api,
   ssl: String.equivalent?(System.get_env("ECTO_USE_SSL") || "true", "true")
 
-database_account_url = System.get_env("ACCOUNT_DATABASE_URL")
+database_account_url =
+  if System.get_env("ACCOUNT_DATABASE_URL"),
+    do: System.get_env("ACCOUNT_DATABASE_URL"),
+    else: System.get_env("DATABASE_URL")
+
 pool_size_account = String.to_integer(System.get_env("ACCOUNT_POOL_SIZE", "50"))
 
 # Configures Account database