feat: add Dockerfile, docker-compose.yml, and nginx.conf for containerized deployment

nest-intra/Dockerfile

@@ -0,0 +1,18 @@
+FROM node:22-alpine AS build
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+
+COPY --from=build /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 5174
+
+CMD ["nginx", "-g", "daemon off;"]

nest-intra/docker-compose.yml

@@ -0,0 +1,6 @@
+services:
+  nest-intra:
+    build: .
+    ports:
+      - "5174:5174"
+    restart: unless-stopped

nest-intra/nginx.conf

@@ -0,0 +1,9 @@
+server {
+    listen 5174;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}