#
# Copy this Dockerfile to the root of each branch you want to create an archive
# and rename it to X.Y.Dockerfile, where X.Y the major.minor GitLab version.
#
#- Start of minifier stage -#
#
# Build minifier utility
# Adapted from https://github.com/docker/docker.github.io/blob/publish-tools/Dockerfile.builder
#
FROM golang:1.13-alpine AS minifier
RUN apk add --no-cache git \
&& export GO111MODULE=on \
&& go get -d github.com/tdewolff/minify/v2@latest \
&& go build -v -o /minify github.com/tdewolff/minify/cmd/minify
#- End of minifier stage -#
#- Start of builder stage -#
FROM ruby:3.0.5-alpine3.16 AS builder
# Copy minifier binary from the minifier stage
COPY --from=minifier /minify /usr/local/bin/minify
# Set versions as build args to fetch corresponding branches
ARG VER
ARG SEARCH_BACKEND
ARG NANOC_ENV
ENV CI_COMMIT_REF_NAME=$VER
ENV SEARCH_BACKEND=$SEARCH_BACKEND
ENV NANOC_ENV=$NANOC_ENV
#
# Install Nanoc dependencies and tools that
# are needed to build the docs site and run the tests.
#
RUN apk add --no-cache -U \
bash \
build-base \
curl \
gcompat \
git \
gnupg \
go \
grep \
gzip \
jq \
libcurl \
libxslt \
libxslt-dev \
nodejs \
openssl \
pngquant \
ruby-dev \
tar \
xz \
xz-dev \
yarn \
&& echo 'gem: --no-document' >> /etc/gemrc \
&& gem update --silent --system \
&& printf "\n\e[32mINFO: Dependency versions:\e[39m\n" \
&& echo "Ruby: $(ruby --version)" \
&& echo "RubyGems: $(gem --version)" \
&& echo "Node.js: $(node --version)" \
&& echo "Yarn: $(yarn --version)" \
&& printf "\n"
# Build the docs from this branch
COPY . /source/
WORKDIR /source
RUN yarn install --frozen-lockfile \
&& yarn cache clean \
&& bundle config set --local deployment true \
&& bundle install \
&& bundle exec rake default \
&& bundle exec nanoc compile -VV
RUN if [ "$SEARCH_BACKEND" = "lunr" ]; then make build-lunr-index; fi
# Move generated HTML to /site
RUN mkdir /site \
&& mv public "/site/${VER}"
# Do some HTML post-processing on the archive, compress images, and minify assets
RUN /source/scripts/normalize-links.sh /site "${VER}" \
&& /source/scripts/compress_images.sh /site "${VER}" \
&& /source/scripts/minify-assets.sh /site "${VER}" # ATTENTION: This should be the last script to run
# Make an index.html and 404.html which will redirect / to /${VER}/
RUN echo "Redirect for ${VER}If you are not redirected automatically, click here.
" > /site/index.html \
&& echo "Redirect for ${VER}If you are not redirected automatically, click here.
" > /site/404.html
#- End of builder build stage -#
#- Start of NGINX stage -#
#
# Copy the ending HTML files from the previous 'builder' stage and copy them
# to an NGINX Docker image.
#
FROM nginx:alpine
# Clean out any existing HTML files, and copy the HTML from the builder stage
# to the default location for Nginx.
RUN rm -rf /usr/share/nginx/html/*
COPY --from=builder /site /usr/share/nginx/html
# Copy the Nginx config
COPY dockerfiles/nginx-overrides.conf /etc/nginx/conf.d/default.conf
# Start Nginx to serve the archive at / (which will redirect to the version-specific dir)
CMD ["sh", "-c", "echo 'GitLab docs are viewable at: http://0.0.0.0:4000'; exec nginx -g 'daemon off;'"]
#- End of NGINX stage -#