Update Dockerfile

Dockerfile

@@ -3,12 +3,16 @@ ARG NODE_VERSION=20.0.0
 
 FROM node:${NODE_VERSION}-alpine
 
-# Use production node environment by default.
 ENV NODE_ENV production
 
 WORKDIR /app
 
-# Run the application as a non-root user.
+
+RUN --mount=type=bind,source=package.json,target=package.json \
+    --mount=type=bind,source=package-lock.json,target=package-lock.json \
+    --mount=type=cache,target=/root/.npm 
+
+# Run the application as a root user.
 USER root
 
 # Copy the rest of the source files into the image.
@@ -19,3 +23,4 @@ EXPOSE 8000
 
 # Run the application.
 CMD node app.js
+