second commit

.dockerignore

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+node_modules
+dist
+.git
+.gitignore
+.claude
+.planning
+.env
+.env.*
+*.log
+npm-debug.log*
+.DS_Store
+.vscode
+.idea
+Dockerfile
+.dockerignore
+docker-compose.yml
+README.md

Dockerfile

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+# syntax=docker/dockerfile:1.7
+
+FROM node:20-alpine AS deps
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+
+FROM node:20-alpine AS build
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+RUN npm run build
+
+FROM nginx:1.27-alpine AS runtime
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

docker-compose.yml

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+services:
+  frontend:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: elcsa-frontend:latest
+    container_name: elcsa-frontend
+    ports:
+      - "3000:80"
+    restart: unless-stopped

nginx.conf

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+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    gzip on;
+    gzip_comp_level 6;
+    gzip_min_length 1024;
+    gzip_types text/plain text/css application/javascript application/json image/svg+xml;
+
+    location /assets/ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+        try_files $uri =404;
+    }
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}