# syntax = docker/dockerfile:1 # Make sure it matches the Ruby version in .ruby-version and Gemfile ARG RUBY_VERSION=3.4.7 FROM ruby:$RUBY_VERSION-slim as base # Install the tools we need RUN apt update && apt install -y zip # Export from this folder WORKDIR /campfire # Copy application code COPY . . # Create the archive CMD ["zip", "-r", "/campfire.zip", "."]