diff --git a/localstack/config.py b/localstack/config.py
index 09d27e63ea643..31e348b90e9d3 100644
--- a/localstack/config.py
+++ b/localstack/config.py
@@ -56,6 +56,9 @@
 # path to local Docker UNIX domain socket
 DOCKER_SOCK = os.environ.get('DOCKER_SOCK', '').strip() or '/var/run/docker.sock'
 
+# additional flags to pass to "docker run" when starting the stack in Docker
+DOCKER_FLAGS = os.environ.get('DOCKER_FLAGS', '').strip()
+
 # command used to run Docker containers (e.g., set to "sudo docker" to run as sudo)
 DOCKER_CMD = os.environ.get('DOCKER_CMD', '').strip() or 'docker'
 
diff --git a/localstack/services/infra.py b/localstack/services/infra.py
index c3919bbeb62d6..11f27b1dd88be 100644
--- a/localstack/services/infra.py
+++ b/localstack/services/infra.py
@@ -508,9 +508,9 @@ def start_infra_in_docker():
         '-v "%s:/tmp/localstack" -v "%s:%s" ' +
         '-e DOCKER_HOST="unix://%s" ' +
         '-e HOST_TMP_FOLDER="%s" "%s" %s') % (
-            config.DOCKER_CMD, interactive, entrypoint, env_str, user_flags, plugin_run_params, port_mappings,
-            container_name, data_dir_mount, config.TMP_FOLDER, config.DOCKER_SOCK, config.DOCKER_SOCK,
-            config.DOCKER_SOCK, config.HOST_TMP_FOLDER, image_name, cmd
+            config.DOCKER_CMD, interactive, entrypoint, env_str, user_flags, plugin_run_params,
+            container_name, port_mappings, data_dir_mount, config.TMP_FOLDER, config.DOCKER_SOCK,
+            config.DOCKER_SOCK, config.DOCKER_SOCK, config.HOST_TMP_FOLDER, image_name, cmd
     )
 
     mkdir(config.TMP_FOLDER)