Dockerfile.staging

FROM ruby:2.6.3 AS builder
# Install bundler for dependency management
RUN apt-get update -qq && apt-get install -y build-essential

# Copy over the Gemfile. This reduces effort required to re-build
ADD Gemfile /srv/jekyll/Gemfile
ADD Gemfile.lock /srv/jekyll/Gemfile.lock

# Use Bundler 2
ENV BUNDLER_VERSION 2.0.2
RUN gem install bundler

# Use this folder as dir we will work from
WORKDIR /srv/jekyll

# Install dependencies
RUN bundle install

# Add the enclosing dir to the image at /srv/jekyll
ADD . /srv/jekyll

# Build the website
RUN bundle exec jekyll build -d ./build

#Copy the built website over
FROM nginx:1.19.7
EXPOSE 80

# Configure Nginx for http basic auth
COPY nginx/staging-nginx.conf /etc/nginx/nginx.conf
COPY nginx/http-basic-auth-start.sh /etc/nginx/http-basic-auth-start.sh

# Add website contents
COPY --from=builder /srv/jekyll/build /usr/share/nginx/html

# Prevent web scrapers
RUN echo "User-agent: * Disallow: /" > /usr/share/nginx/html/robots.txt

CMD /etc/nginx/http-basic-auth-start.sh