FROM node:20-alpine AS build
WORKDIR /app

# Install dependencies
COPY application/package.json application/package-lock.json ./
RUN npm ci

# Copy source and build
COPY application/. .
RUN npm run build

FROM nginx:1.27-alpine
RUN rm -rf /usr/share/nginx/html/*
COPY --from=build /app/dist /usr/share/nginx/html

# SPA fallback + static asset caching
RUN printf 'server {\n  listen 80;\n  server_name _;\n  root /usr/share/nginx/html;\n  index index.html;\n  location / { try_files $uri $uri/ /index.html; }\n  location ~* \\.(?:js|css|png|jpg|jpeg|gif|svg|ico|woff2?)$ { expires 7d; add_header Cache-Control "public, max-age=604800, immutable"; try_files $uri =404; }\n}\n' > /etc/nginx/conf.d/default.conf

EXPOSE 80
CMD ["nginx","-g","daemon off;"]