# === Build-Phase: Jekyll kompiliert die statische Website ===
FROM ruby:3.2-alpine AS builder

RUN apk add --no-cache build-base

WORKDIR /site

COPY Gemfile ./
RUN bundle install

COPY . .

RUN bundle exec jekyll build

# === Serve-Phase: nginx liefert nur die fertigen Dateien aus ===
FROM nginx:alpine

COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /site/_site /usr/share/nginx/html

EXPOSE 80