Merge pull request #21 from infosiftr/simpler-bundler

Simplify bundler config so "bundle install" does the right thing by default

Author: yosifkit

1.9/Dockerfile

@@ -22,8 +22,16 @@ RUN apt-get update \
 	&& rm -r /usr/src/ruby
 
 # skip installing gem documentation
-RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 
-RUN gem install bundler
+# install things globally, for great justice
+ENV GEM_HOME /usr/local/bundle
+ENV PATH $GEM_HOME/bin:$PATH
+RUN gem install bundler \
+	&& 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" ]

1.9/onbuild/Dockerfile

@@ -1,10 +1,13 @@
 FROM ruby:1.9.3-p547
 
+# 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 ADD Gemfile /usr/src/app/
-ONBUILD ADD Gemfile.lock /usr/src/app/
-ONBUILD RUN bundle install --system
+ONBUILD COPY Gemfile /usr/src/app/
+ONBUILD COPY Gemfile.lock /usr/src/app/
+ONBUILD RUN bundle install
 
-ONBUILD ADD . /usr/src/app
+ONBUILD COPY . /usr/src/app

2.0/Dockerfile

@@ -22,8 +22,16 @@ RUN apt-get update \
 	&& rm -r /usr/src/ruby
 
 # skip installing gem documentation
-RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 
-RUN gem install bundler
+# install things globally, for great justice
+ENV GEM_HOME /usr/local/bundle
+ENV PATH $GEM_HOME/bin:$PATH
+RUN gem install bundler \
+	&& 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" ]

2.0/onbuild/Dockerfile

@@ -1,10 +1,13 @@
 FROM ruby:2.0.0-p576
 
+# 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 ADD Gemfile /usr/src/app/
-ONBUILD ADD Gemfile.lock /usr/src/app/
-ONBUILD RUN bundle install --system
+ONBUILD COPY Gemfile /usr/src/app/
+ONBUILD COPY Gemfile.lock /usr/src/app/
+ONBUILD RUN bundle install
 
-ONBUILD ADD . /usr/src/app
+ONBUILD COPY . /usr/src/app

2.1/Dockerfile

@@ -22,8 +22,16 @@ RUN apt-get update \
 	&& rm -r /usr/src/ruby
 
 # skip installing gem documentation
-RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 
-RUN gem install bundler
+# install things globally, for great justice
+ENV GEM_HOME /usr/local/bundle
+ENV PATH $GEM_HOME/bin:$PATH
+RUN gem install bundler \
+	&& 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" ]

2.1/onbuild/Dockerfile

@@ -1,10 +1,13 @@
 FROM ruby:2.1.3
 
+# 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 ADD Gemfile /usr/src/app/
-ONBUILD ADD Gemfile.lock /usr/src/app/
-ONBUILD RUN bundle install --system
+ONBUILD COPY Gemfile /usr/src/app/
+ONBUILD COPY Gemfile.lock /usr/src/app/
+ONBUILD RUN bundle install
 
-ONBUILD ADD . /usr/src/app
+ONBUILD COPY . /usr/src/app