Dockerfile update

Dockerfile

@@ -0,0 +1,21 @@
+# Build client
+FROM node:22-alpine AS client
+WORKDIR /app/client
+COPY client/package*.json ./
+RUN npm ci || npm i
+COPY client .
+RUN npm run build
+
+# Build server
+FROM node:22-slim
+RUN apt-get update && apt-get install -y ffmpeg
+WORKDIR /app/server
+COPY server/package*.json ./
+RUN npm ci || npm i
+COPY server .
+
+# Move files to public folder
+COPY --from=client /app/client/dist ./public
+
+EXPOSE 3001
+CMD ["npm", "start"]