Dockerfile

# syntax = docker/dockerfile:1

# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
ARG RUBY_VERSION=3.2.2
FROM ruby:$RUBY_VERSION

RUN echo "Acquire::http::Pipeline-Depth 0;" > /etc/apt/apt.conf.d/99custom && \
        echo "Acquire::http::No-Cache true;" >> /etc/apt/apt.conf.d/99custom && \
        echo "Acquire::BrokenProxy    true;" >> /etc/apt/apt.conf.d/99custom

# throw errors if Gemfile has been modified since Gemfile.lock
RUN bundle config --global frozen 1

WORKDIR /app

# Install packages needed to build gems
RUN apt-get update -qq && \
    apt-get install --no-install-recommends -y build-essential git libpq-dev libvips pkg-config

RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add \
  && echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list \
  && apt-get update && apt-get install -y nodejs yarn --no-install-recommends

# Install application gems
COPY Gemfile Gemfile.lock ./
RUN bundle install

# Copy application code
COPY . .

# Start the server by default, this can be overwritten at runtime
# EXPOSE 3000
CMD ["/bin/bash"]