FROM nginx:1.25-alpine

# Remove default nginx static content
RUN rm -rf /usr/share/nginx/html/*

# Copy app
COPY frontend/index.html /usr/share/nginx/html/index.html

# Copy nginx config
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Healthcheck
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -qO- http://localhost/health || exit 1

EXPOSE 80

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