# Build stage
FROM python:3.9-alpine AS builder

# Set environment variables to avoid interactive prompts
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1
    

# Configure apk to use a reliable mirror
RUN echo "https://mirrors.tuna.tsinghua.edu.cn/alpine/v3.18/main" > /etc/apk/repositories && \
    echo "https://mirrors.tuna.tsinghua.edu.cn/alpine/v3.18/community" >> /etc/apk/repositories

# Install build dependencies
RUN apk add --no-cache \
    gcc \
    musl-dev \
    python3-dev \
    libffi-dev \
    openssl-dev \
    make

# Install MkDocs and plugins with exact versions
RUN pip install --no-cache-dir \
    mkdocs==1.6.1 \
    mkdocs-material==9.5.39 \
    mkdocs-macros-plugin==1.2.0 \
    mkdocs-minify-plugin==0.8.0 \
    mkdocs-awesome-pages-plugin==2.9.2 \
    mkdocs-glightbox==0.4.0

# Set working directory
WORKDIR /docs

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

# Build the static site with strict mode
RUN mkdocs build --strict

# Runtime stage
FROM python:3.9-alpine

# Set working directory
WORKDIR /site

# Copy the built site from the builder stage
COPY --from=builder /docs/site .

# Expose port 80
EXPOSE 80

# Healthcheck to ensure the server is running
HEALTHCHECK --interval=30s --timeout=3s \
  CMD wget -qO- http://localhost:80/ || exit 1

# Serve the static site with Python's http.server
CMD ["python", "-m", "http.server", "80"]