diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index cb15767..034e204 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,5 +1,9 @@
 FROM mcr.microsoft.com/devcontainers/base:focal
 
+ARG USERNAME=developer
+ARG USER_UID=1001
+ARG USER_GID=$USER_UID
+
 RUN groupadd --gid $USER_GID $USERNAME \
 	&& useradd --uid $USER_UID --gid $USER_GID -m $USERNAME \
 	&& apt-get update \