chore: Add dockerfiles to both client and server

Author: tamton-aquib

client/Dockerfile

@@ -0,0 +1,13 @@
+# build stage
+FROM node:20-alpine AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+# production stage
+FROM nginx:alpine
+COPY --from=build /app/build /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

server/Dockerfile

@@ -0,0 +1,7 @@
+FROM node:20-alpine
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+EXPOSE 3000
+CMD ["npm", "start"]