FROM nginx:alpine

# Set environment variables
ENV PORT="80"
ENV VIRTUAL_ENV="/mkdocs"
ENV PATH = "$VIRTUAL_ENV/bin:$PATH"

# Install necessary packages
RUN apk add --no-cache git py3-pip envsubst

# Create work directory
RUN mkdir /mkdocs
WORKDIR /mkdocs

# Create virtual environment
RUN python -m venv $VIRTUAL_ENV

# Install necessary packages in virtual environment
RUN pip install --no-cache-dir mkdocs mkdocs-material

# Configure nginx environment
COPY default.conf.env /etc/nginx/conf.d/default.conf.env

# Configure entrypoints
RUN touch /docker-entrypoint.d/port.sh \
    && echo "exec envsubst < /etc/nginx/conf.d/default.conf.env > /etc/nginx/conf.d/default.conf && nginx -s reload" > /docker-entrypoint.d/port.sh \
    && chmod 776 /docker-entrypoint.d/port.sh

# Configure cron 
COPY root /etc/crontabs/root

# Configure mkdocs-git
COPY mkdocs-git /bin/mkdocs-git
RUN chmod 744 /bin/mkdocs-git

# Configure cron entrypoints
RUN touch /docker-entrypoint.d/cron.sh \
    && echo "exec crond" > /docker-entrypoint.d/cron.sh \
    && chmod 776 /docker-entrypoint.d/cron.sh