diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 24ef115a..344a8cba 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,3 +1,17 @@
 FROM --platform=linux/amd64 node:lts-bookworm-slim
-SHELL ["/bin/bash", "-c"]
-RUN apt update && apt install -y curl bash git tar gzip libc++-dev
\ No newline at end of file
+
+# 🛡️ SHELL: Setting strict flags for better error handling in pipes
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+# 🚀 OPTIMIZATION:
+# 1. Combine update + install + cleanup in ONE layer.
+# 2. Use --no-install-recommends to avoid bloat.
+# 3. Explicitly remove apt cache files to reduce image size.
+# 4. Removed 'bash', 'tar', 'gzip' as they are built-in to Bookworm.
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    curl \
+    git \
+    libc++-dev \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*