added script to change env variables in docker compose

env.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env sh
+# ================================================================================
+# File: env.sh
+# Description: Replaces environment variables in asset files.
+# Usage: Run this script in your terminal, ensuring APP_PREFIX and ASSET_DIRS are set.
+# ================================================================================
+
+# Set the exit flag to exit immediately if any command fails
+set -e
+
+# Check if APP_PREFIX is set
+: "${APP_PREFIX:?APP_PREFIX must be set (e.g. APP_PREFIX='APP_PREFIX_')}"
+
+# Check if ASSET_DIRS is set
+: "${ASSET_DIR:?Must set ASSET_DIR to one path}"
+
+# Check if the directory exists
+if [ ! -d "$ASSET_DIR" ]; then
+    # If not, display a warning message and skip to the next iteration
+    echo "Warning: directory '$ASSET_DIR' not found, skipping."
+    continue
+fi
+
+# Display the current directory being scanned
+echo "Scanning directory: $ASSET_DIR"
+
+# Iterate through each environment variable that starts with APP_PREFIX
+env | grep "^${APP_PREFIX}" | while IFS='=' read -r key value; do
+    # Display the variable being replaced
+    echo "  • Replacing ${key} → ${value}"
+
+    # Use find and sed to replace the variable in all files within the directory
+    find "$ASSET_DIR" -type f \
+        -exec sed -i "s|${key}|${value}|g" {} +
+done