feat: use PREPARE_SAMPLES env var

README.md

@@ -75,6 +75,9 @@ docker run -it -p 7860:7860 --platform=linux/amd64 \
 You can set the following environment variables to limit the resources used by the app:
 - ENV_LIMITATION=true
 - LIMIT_CPU=true
+
+If you want to use a prepare the samples used in the demo, you need to set the env variable `PREPARE_SAMPLES=true`
+
 ---
 ## About
 

scripts/prepare_samples.sh

@@ -1,5 +1,11 @@
 #!/bin/bash
 
+# Check if the "PREPARE_SAMPLES" environment variable is set
+if [ -z "${PREPARE_SAMPLES}" ]; then
+    echo "PREPARE_SAMPLES is unset or set to the empty string. Skipping sample preparation."
+    exit 1
+fi
+
 # Read JSON file into a variable
 json=$(cat sample_songs.json)