README
This provides an Ubuntu 20.04 base build of Ruby from source (using ruby-build) with jemalloc.
The default RUBY_VERSION
is Ruby 2.6.10.
Building Ruby 2.6
docker build -t mediapingllc/ruby-jemalloc:2.6.10 .
Building Ruby 2.5
docker build -t mediapingllc/ruby-jemalloc:2.5.9 --build-arg RUBY_VERSION=2.5.9 .
Building Ruby 2.4
docker build -t mediapingllc/ruby-jemalloc:2.4.10 --build-arg RUBY_VERSION=2.4.10 .
Using
Sample Dockerfile:
FROM mediapingllc/ruby-jemalloc:2.6.10
ARG RUBY_VERSION=2.6.10
ARG BUNDLER_VERSION=1.17.3
ENV LANG=C.UTF-8
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && \
apt-get install -y libmysqlclient-dev && \
apt-get auto-remove -y && \
rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*;
EXPOSE 3000
WORKDIR /app
COPY Gemfile /app/
COPY Gemfile.lock /app/
RUN gem install bundler && \
bundle install --without development test --jobs `expr $(cat /proc/cpuinfo | grep -c "cpu cores") - 1` --retry 3;
COPY . /app
# start the app
CMD ["bundle", "exec", "rails", "server"]