diff --git a/script/docker_test.rb b/script/docker_test.rb
index a4b9a6aabe7..0d6a199238a 100644
--- a/script/docker_test.rb
+++ b/script/docker_test.rb
@@ -1,8 +1,10 @@
 # This script is run in the discourse_test docker image
 # Available environment variables:
-# => COMMIT_HASH    used by the discourse_test docker image to load a specific commit of discourse
-#                   this can also be set to a branch, e.g. "origin/tests-passed"
-# See lib/tasks/docker.rake for more information
+# => NO_UPDATE        disables updating the source code within the discourse_test docker image
+# => COMMIT_HASH      used by the discourse_test docker image to load a specific commit of discourse
+#                     this can also be set to a branch, e.g. "origin/tests-passed"
+# => RUN_SMOKE_TESTS  executes the smoke tests instead of the regular tests from docker.rake
+# See lib/tasks/docker.rake and lib/tasks/smoke_test.rake for more information
 
 def run_or_fail(command)
   pid = Process.spawn(command)
@@ -18,4 +20,8 @@ unless ENV['NO_UPDATE']
   run_or_fail("bundle")
 end
 
-run_or_fail("bundle exec rake docker:test")
+if ENV['RUN_SMOKE_TESTS']
+  run_or_fail("bundle exec rake smoke:test")
+else
+  run_or_fail("bundle exec rake docker:test")
+end