diff --git a/docker/files/entrypoint.sh b/docker/files/entrypoint.sh
index 1d39d8a..6e28a78 100644
--- a/docker/files/entrypoint.sh
+++ b/docker/files/entrypoint.sh
@@ -1,8 +1,23 @@
 #!/bin/bash
 
+# Exit immediately if a command exits with a non-zero status, 
+# print each command before executing (for debugging), and treat unset variables as an error.
 set -eux
 
+# Set default values for DEVICE and MODEL if they are not provided
 DEVICE=${DEVICE:-cuda}
 MODEL=${MODEL:-MASt3R_ViTLarge_BaseDecoder_512_dpt.pth}
 
+# Log the device and model being used
+echo "Running MASt3R demo with:"
+echo "Model: $MODEL"
+echo "Device: $DEVICE"
+
+# Check if the model file exists in the checkpoints directory
+if [ ! -f "checkpoints/$MODEL" ]; then
+    echo "Error: Model file 'checkpoints/$MODEL' does not exist."
+    exit 1
+fi
+
+# Execute the Python script with provided arguments
 exec python3 demo.py --weights "checkpoints/$MODEL" --device "$DEVICE" --local_network "$@"