Add Dockerfile and compose.yaml for containerized application setup

Dockerfile

@@ -0,0 +1,16 @@
+
+FROM node:25-alpine AS builder
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+
+RUN npm ci
+
+RUN npm i -g serve
+
+COPY . .
+
+EXPOSE 3000
+
+CMD [ "serve", "-s", "dist" ]

compose.yaml

@@ -0,0 +1,8 @@
+services:
+  lumina:
+    build: .
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=production
+    restart: unless-stopped