fix: format Dockerfile for improved readability and consistency

Dockerfile

@@ -1,10 +1,24 @@
+# NoiseDash - Audio sample management platform
 FROM node:20
+
 LABEL maintainer="kaythomas@pm.me"
+
+# Set working directory
 WORKDIR /var/noisedash
+
+# Copy package files and install dependencies
 COPY package*.json ./
 RUN npm install --force
+
+# Copy application code (includes default config files)
 COPY . .
-ENV NODE_ENV production
+
+# Set production environment and build frontend
+ENV NODE_ENV=production
 RUN npm run build
+
+# Expose application port
 EXPOSE 1432
+
+# Start the server
 CMD [ "node", "server/bin/www.js" ]