Update Dockerfile comments and enhance build dependencies

Author: brionmario

Dockerfile

@@ -17,11 +17,11 @@
 # ----------------------------------------------------------------------------
 
 # WSO2 Thunder Docker Image
-# Build stage - compile the Go binary for the target architecture
+# Build stage - compile the Go binary and build frontend for the target architecture
 FROM golang:1.25-alpine AS builder
 
-# Install build dependencies
-RUN apk add --no-cache git make bash sqlite openssl zip
+# Install build dependencies including Node.js and npm
+RUN apk add --no-cache git make bash sqlite openssl zip nodejs npm
 
 # Set the working directory
 WORKDIR /app