# --- Stage 1: Build & Test ---
FROM ruby:3.3 AS builder

# Instalace závislostí pro html-proofer (pokud jsou potřeba)
RUN apt-get update && apt-get install -y build-essential

WORKDIR /srv/jekyll
COPY Gemfile* ./
RUN bundle install

COPY . .

# Samotný build webu
RUN JEKYLL_ENV=production bundle exec jekyll build

# TEST: Pokud htmlproofer skončí chybou, celý Docker build selže
RUN bundle exec htmlproofer ./_site \
    --disable-external \
    --ignore-urls "/^http:\/\/127.0.0.1/,/^http:\/\/0.0.0.0/,/^http:\/\/localhost/"

# --- Stage 2: Final Image ---
FROM nginx:alpine
COPY --from=builder /srv/jekyll/_site /usr/share/nginx/html
EXPOSE 80