fix(sandbox): set default env var to 'gemini-cli-sandbox' (#620)

1 files changed, 2 insertions, 1 deletions

diff --git a/Dockerfile b/Dockerfile
index b3a1dc28..566329aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 FROM docker.io/library/node:20-slim
 
-# ENV SANDBOX="gemini-cli-sandbox"
+ARG SANDBOX_NAME="gemini-cli-sandbox"
+ENV SANDBOX="$SANDBOX_NAME"
 
 # install minimal set of packages, then clean up
 RUN apt-get update && apt-get install -y --no-install-recommends \