Added .dockerignore file to speed up local image builds

Changed Dockerfile as previos file was failing to build consistently
removed some unused packages
added compression to json payloads
changed vite ports to 3000 to not break existing builds
backend and frontend both use port 3000 now

Dockerfile

@@ -1,26 +1,21 @@
-# pull the Node.js Docker image
-FROM node:lts-alpine
+# Stage 1: Build the application
+FROM node:slim AS builder
 
-# update the package index
-RUN apk update && apk add --no-cache tzdata
+WORKDIR /app
 
-# set timezone data
-ENV TZ=Asia/Kuala_Lumpur
+COPY package*.json ./
+RUN npm cache clean --force
+RUN npm install
 
-# create app directory
-WORKDIR /usr/src/app
+COPY ./ ./
 
-# bundle app source
-COPY . .
+# Stage 2: Create the production image
+FROM node:slim
 
-# install node_modules, build client React JS, delete node_modules server side, prune image for production, clear npm cache, delete unnecessary folder client side
-RUN npm install && \
-    npm run build && \
-    npm cache clean --force && \
-    rm -rf src
+WORKDIR /app
+
+COPY --from=builder /app .
 
-# app run on port 3000
 EXPOSE 3000
 
-# run the server
-CMD ["npm", "start"]
+CMD ["npm", "run", "start"]