# Build stage
FROM python:3.9-slim AS builder

# Install MkDocs, Material for MkDocs, and plugins
RUN pip install --no-cache-dir mkdocs mkdocs-material mkdocs-macros-plugin

# Set working directory
WORKDIR /docs

# Copy configuration and docs
COPY mkdocs.yml .
COPY docs/ ./docs/

# Validate configuration and build site with strict mode
RUN mkdocs build --strict

# Production stage
FROM nginx:alpine

# Copy the built site from the builder stage
COPY --from=builder /docs/site /usr/share/nginx/html

# Copy custom Nginx configuration
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Expose port 80
EXPOSE 80

# Healthcheck to ensure Nginx is running
HEALTHCHECK --interval=30s --timeout=3s \
  CMD curl -f http://localhost/ || exit 1

# Start Nginx
CMD ["nginx", "-g", "daemon off;"]