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Templatize our Dockerfiles

This commit is contained in:
Tianon Gravi 2016-02-03 12:11:16 -08:00
parent ccbf9e54f6
commit abad497073
6 changed files with 224 additions and 15 deletions

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@ -6,7 +6,7 @@ ENV RUBY_DOWNLOAD_SHA256 8690bd6b4949c333b3919755c4e48885dbfed6fd055fe9ef89930bd
ENV RUBYGEMS_VERSION 2.5.2
# skip installing gem documentation
RUN echo 'install: --no-document\nupdate: --no-document' > "$HOME/.gemrc"
RUN echo 'install: --no-document\nupdate: --no-document' >> "$HOME/.gemrc"
# some of ruby's build scripts are written in ruby
# we purge this later to make sure our final image uses what we just built

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@ -0,0 +1,81 @@
FROM alpine:3.3
ENV RUBY_MAJOR %%VERSION%%
ENV RUBY_VERSION %%FULL_VERSION%%
ENV RUBY_DOWNLOAD_SHA256 %%SHA256%%
ENV RUBYGEMS_VERSION %%RUBYGEMS%%
# skip installing gem documentation
RUN echo -e 'install: --no-document\nupdate: --no-document' >> "$HOME/.gemrc"
RUN set -x \
&& apk add --no-cache --virtual .ruby-builddeps \
autoconf \
bison \
bzip2 \
bzip2-dev \
ca-certificates \
coreutils \
curl \
gcc \
gdbm-dev \
glib-dev \
libc-dev \
libedit-dev \
libffi-dev \
libxml2-dev \
libxslt-dev \
linux-headers \
make \
ncurses-dev \
openssl-dev \
procps \
ruby \
yaml-dev \
zlib-dev \
&& curl -fSL -o ruby.tar.gz "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.gz" \
&& echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.gz" | sha256sum -c - \
&& mkdir -p /usr/src \
&& tar -xzf ruby.tar.gz -C /usr/src \
&& mv "/usr/src/ruby-$RUBY_VERSION" /usr/src/ruby \
&& rm ruby.tar.gz \
&& cd /usr/src/ruby \
&& autoconf \
# the configure script does not detect isnan/isinf as macros
&& ac_cv_func_isnan=yes ac_cv_func_isinf=yes ./configure --disable-install-doc \
&& make -j"$(nproc)" \
&& make install \
&& gem update --system $RUBYGEMS_VERSION \
&& runDeps="$( \
scanelf --needed --nobanner --recursive /usr/local \
| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
| sort -u \
| xargs -r apk info --installed \
| sort -u \
)" \
&& apk add --virtual .ruby-rundeps $runDeps \
bzip2 \
ca-certificates \
curl \
libffi-dev \
openssl-dev \
yaml-dev \
procps \
zlib-dev \
&& apk del .ruby-builddeps \
&& rm -r /usr/src/ruby
# install things globally, for great justice
ENV GEM_HOME /usr/local/bundle
ENV PATH $GEM_HOME/bin:$PATH
ENV BUNDLER_VERSION %%BUNDLER%%
RUN gem install bundler --version "$BUNDLER_VERSION" \
&& bundle config --global path "$GEM_HOME" \
&& bundle config --global bin "$GEM_HOME/bin"
# don't create ".bundle" in all our apps
ENV BUNDLE_APP_CONFIG $GEM_HOME
CMD [ "irb" ]

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@ -0,0 +1,13 @@
FROM ruby:%%VERSION%%
# throw errors if Gemfile has been modified since Gemfile.lock
RUN bundle config --global frozen 1
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app
ONBUILD COPY Gemfile /usr/src/app/
ONBUILD COPY Gemfile.lock /usr/src/app/
ONBUILD RUN bundle install
ONBUILD COPY . /usr/src/app

72
Dockerfile-slim.template Normal file
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@ -0,0 +1,72 @@
FROM debian:jessie
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
bzip2 \
ca-certificates \
curl \
libffi-dev \
libgdbm3 \
libssl-dev \
libyaml-dev \
procps \
zlib1g-dev \
&& rm -rf /var/lib/apt/lists/*
ENV RUBY_MAJOR %%VERSION%%
ENV RUBY_VERSION %%FULL_VERSION%%
ENV RUBY_DOWNLOAD_SHA256 %%SHA256%%
ENV RUBYGEMS_VERSION %%RUBYGEMS%%
# skip installing gem documentation
RUN echo 'install: --no-document\nupdate: --no-document' >> "$HOME/.gemrc"
# some of ruby's build scripts are written in ruby
# we purge this later to make sure our final image uses what we just built
RUN buildDeps=' \
autoconf \
bison \
gcc \
libbz2-dev \
libgdbm-dev \
libglib2.0-dev \
libncurses-dev \
libreadline-dev \
libxml2-dev \
libxslt-dev \
make \
ruby \
' \
&& set -x \
&& apt-get update \
&& apt-get install -y --no-install-recommends $buildDeps \
&& rm -rf /var/lib/apt/lists/* \
&& mkdir -p /usr/src/ruby \
&& curl -fSL -o ruby.tar.gz "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.gz" \
&& echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.gz" | sha256sum -c - \
&& tar -xzf ruby.tar.gz -C /usr/src/ruby --strip-components=1 \
&& rm ruby.tar.gz \
&& cd /usr/src/ruby \
&& autoconf \
&& ./configure --disable-install-doc \
&& make -j"$(nproc)" \
&& make install \
&& gem update --system $RUBYGEMS_VERSION \
&& rm -r /usr/src/ruby \
&& apt-get purge -y --auto-remove $buildDeps
# install things globally, for great justice
ENV GEM_HOME /usr/local/bundle
ENV PATH $GEM_HOME/bin:$PATH
ENV BUNDLER_VERSION %%BUNDLER%%
RUN gem install bundler --version "$BUNDLER_VERSION" \
&& bundle config --global path "$GEM_HOME" \
&& bundle config --global bin "$GEM_HOME/bin" \
&& bundle config --global silence_root_warning true
# don't create ".bundle" in all our apps
ENV BUNDLE_APP_CONFIG $GEM_HOME
CMD [ "irb" ]

44
Dockerfile.template Normal file
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@ -0,0 +1,44 @@
FROM buildpack-deps:jessie
ENV RUBY_MAJOR %%VERSION%%
ENV RUBY_VERSION %%FULL_VERSION%%
ENV RUBY_DOWNLOAD_SHA256 %%SHA256%%
ENV RUBYGEMS_VERSION %%RUBYGEMS%%
# skip installing gem documentation
RUN echo 'install: --no-document\nupdate: --no-document' >> "$HOME/.gemrc"
# some of ruby's build scripts are written in ruby
# we purge this later to make sure our final image uses what we just built
RUN apt-get update \
&& apt-get install -y bison libgdbm-dev ruby \
&& rm -rf /var/lib/apt/lists/* \
&& mkdir -p /usr/src/ruby \
&& curl -fSL -o ruby.tar.gz "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.gz" \
&& echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.gz" | sha256sum -c - \
&& tar -xzf ruby.tar.gz -C /usr/src/ruby --strip-components=1 \
&& rm ruby.tar.gz \
&& cd /usr/src/ruby \
&& autoconf \
&& ./configure --disable-install-doc \
&& make -j"$(nproc)" \
&& make install \
&& apt-get purge -y --auto-remove bison libgdbm-dev ruby \
&& gem update --system $RUBYGEMS_VERSION \
&& rm -r /usr/src/ruby
# install things globally, for great justice
ENV GEM_HOME /usr/local/bundle
ENV PATH $GEM_HOME/bin:$PATH
ENV BUNDLER_VERSION %%BUNDLER%%
RUN gem install bundler --version "$BUNDLER_VERSION" \
&& bundle config --global path "$GEM_HOME" \
&& bundle config --global bin "$GEM_HOME/bin" \
&& bundle config --global silence_root_warning true
# don't create ".bundle" in all our apps
ENV BUNDLE_APP_CONFIG $GEM_HOME
CMD [ "irb" ]

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@ -25,22 +25,21 @@ for version in "${versions[@]}"; do
| sed -r 's!.*<a href="ruby-([^"]+)\.tar\.bz2.*!\1!' \
| sort -V | tail -1)"
shaVal="$(echo $shaPage | sed -r "s/.*Ruby ${fullVersion}<\/a><br \/> sha256: ([^<]+).*/\1/")"
(
set -x
sed -ri '
s/^(ENV RUBY_MAJOR) .*/\1 '"$version"'/;
s/^(ENV RUBY_VERSION) .*/\1 '"$fullVersion"'/;
s/^(ENV RUBY_DOWNLOAD_SHA256) .*/\1 '"$shaVal"'/;
s/^(ENV BUNDLER_VERSION) .*/\1 '"$bundler"'/;
s/^(ENV RUBYGEMS_VERSION) .*/\1 '"$rubygems"'/;
' "$version"{/,/*/}Dockerfile
sed -ri 's/^(FROM ruby):.*/\1:'"$version"'/' "$version/"*"/Dockerfile"
)
for variant in alpine slim; do
sedStr="
s!%%VERSION%%!$version!g;
s!%%FULL_VERSION%%!$fullVersion!g;
s!%%SHA256%%!$shaVal!g;
s!%%RUBYGEMS%%!$rubygems!g;
s!%%BUNDLER%%!$bundler!g;
"
for variant in alpine slim onbuild ''; do
[ -d "$version/$variant" ] || continue
travisEnv='\n - VERSION='"$version VARIANT=$variant$travisEnv"
sed -r "$sedStr" "Dockerfile${variant:+-$variant}.template" > "$version/$variant/Dockerfile"
if [ "$variant" != 'onbuild' ]; then
travisEnv='\n - VERSION='"$version VARIANT=$variant$travisEnv"
fi
done
travisEnv='\n - VERSION='"$version VARIANT=$travisEnv"
done
travis="$(awk -v 'RS=\n\n' '$1 == "env:" { $0 = "env:'"$travisEnv"'" } { printf "%s%s", $0, RS }' .travis.yml)"