switch back to custom dockerfile

Author: cat5inthecradle

Dockerfile

@@ -0,0 +1,8 @@
+FROM ruby:3.0.5
+
+WORKDIR /app
+
+# Copy bare minimum files to install gems
+COPY Gemfile aws-google.gemspec /app/
+COPY lib /app/lib
+RUN bundle install

README.md

@@ -97,9 +97,10 @@ Prerequisites:
 
 * Ruby 3.0.5
 
-You can have Ruby installed locally, or use Docker and mount this repository into a Ruby container. By using Docker you can avoid conflicts with differing Ruby versions or other installed gems. To run and 'bash' into a Ruby container, install Docker and run the following. See [docker-compose.yml](docker-compose.yml) for details, or to experiment with different Ruby versions.
+You can have Ruby installed locally, or use Docker and mount this repository into a Ruby container. By using Docker you can avoid conflicts with differing Ruby versions or other installed gems. To run and 'bash' into a Ruby container, install Docker and run the following. See [docker-compose.yml](docker-compose.yml) for details.
 
 ```
+docker compose build
 docker compose run ruby
 ```
 

docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   ruby:
-    image: ruby:3.0.5
+    build: .
     volumes:
       - .:/app
     working_dir: /app