chore: add generate-env.sh script

Dockerfile

@@ -57,3 +57,4 @@ EXPOSE 80
 
 COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
 COPY --from=build /app/build /usr/share/nginx/html/console
+COPY docker/generate-env.sh /app/generate-env.sh

docker/generate-env.sh

@@ -0,0 +1,49 @@
+#!/bin/sh
+
+# Regenerate env.js from runtime PUBLIC_ environment variables
+
+echo "Regenerating env.js from environment variables..."
+
+# Build JSON object from PUBLIC_ env vars
+env_json="{"
+first=true
+
+for var in $(printenv | grep '^PUBLIC_' | awk -F= '{print $1}' | sort); do
+    value=$(printenv "$var")
+    
+    # Escape special characters for JSON
+    escaped_value=$(echo "$value" | sed 's/\\/\\\\/g' | sed 's/"/\\"/g')
+    
+    if [ "$first" = true ]; then
+        first=false
+    else
+        env_json="$env_json,"
+    fi
+    
+    env_json="$env_json\"$var\":\"$escaped_value\""
+    echo "  $var=$value"
+done
+
+env_json="$env_json}"
+
+# Write to env.js
+# Determine correct path based on script location
+if [ -d "./_app" ]; then
+    # Script is in build/ directory
+    env_file="./_app/env.js"
+elif [ -d "./build/_app" ]; then
+    # Script is in root or docker/ directory
+    env_file="./build/_app/env.js"
+else
+    echo "⚠ Error: Cannot find _app directory"
+    exit 1
+fi
+
+echo "export const env=$env_json" > "$env_file"
+
+echo "✓ Generated $env_file"
+
+# Remove compressed versions (they'll be regenerated by nginx if needed)
+rm -f "${env_file}.br" "${env_file}.gz"
+
+exec "$@"