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#
# This is the Nanoc boostrap Dockerfile which builds an image that contains
# all Nanoc's runtime dependencies and gems.
#
FROM ruby:2.5-alpine
# Install packages needed at build and run time
RUN apk add --no-cache --virtual build-deps \
build-base \
ruby-dev \
libxslt-dev
# Do not install rdoc to save some space
RUN echo 'gem: --no-document' >> /etc/gemrc
# Copy scripts used for static HTML post-processing
COPY scripts /scripts/
# Copy only Gemfile and Gemfile.lock
COPY /Gemfile* /source/
WORKDIR /source
# Install gems
RUN NOKOGIRI_USE_SYSTEM_LIBRARIES=1 bundle install --jobs 4
# Install packages needed at build and run time
RUN apk add --no-cache libxslt libcurl openssl git grep bash
CMD echo "Nothing to do here. This is the bootstrap image that contains all dependencies to build the docs site."
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