FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .

RUN npm run build

FROM nginx:alpine

COPY --from=builder /app/dist /usr/share/nginx/html

COPY <<'EOF' /etc/nginx/conf.d/default.conf
server {
  listen 3579;
  server_name _;
  root /usr/share/nginx/html;

  location / {
    try_files $uri $uri/ /index.html;
  }

  location /api {
    proxy_pass http://backend:5000;
  }
}
EOF

EXPOSE 3579

CMD ["nginx", "-g", "daemon off;"]