FROM nginx:alpine

# Copy the static HTML file with proper permissions
COPY index.html /usr/share/nginx/html/index.html
RUN chmod 644 /usr/share/nginx/html/index.html

# Copy CLI tool for optional use
COPY ifc.py /usr/local/bin/ifc
RUN chmod +x /usr/local/bin/ifc && apk add --no-cache python3

# Nginx config for SPA
RUN echo 'server { \
    listen 80; \
    server_name _; \
    root /usr/share/nginx/html; \
    index index.html; \
    location / { \
        try_files $uri $uri/ /index.html; \
    } \
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ { \
        expires 1y; \
        add_header Cache-Control "public, immutable"; \
    } \
}' > /etc/nginx/conf.d/default.conf

EXPOSE 80

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