Add basic docker support.

.byebug_history

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+../container/.byebug_history

Dockerfile

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+FROM alpine:latest
+MAINTAINER Gabriel de Oliveira <[email protected]>
+
+RUN set -euvxo pipefail\
+ && apk upgrade --available --latest --no-cache\
+ && apk add --no-cache\
+  g++\
+  git\
+  libffi-dev\
+  make\
+  ruby-dev\
+  ruby-irb\
+ && gem update --clear-sources --no-document --system\
+ && gem update --clear-sources --no-document\
+ && gem install --clear-sources --no-document\
+  bundler\
+  io-console\
+ && gem cleanup
+
+WORKDIR /opt/app
+
+COPY . .
+RUN set -euvxo pipefail\
+ && mkdir ../container/\
+ && mkdir ../container/coverage/\
+ && mkdir ../container/pkg/\
+ && mkdir ../container/tmp/\
+ && bundle install --clean --no-cache --system\
+ && bundle clean --force
+
+CMD ["/bin/ash"]

Gemfile.lock

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+../container/Gemfile.lock

coverage

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+../container/coverage/

docker-compose.yml

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+version: "2"
+services:
+  cli:
+    extends:
+      service: img
+    extra_hosts:
+      - docker_host:172.17.0.1
+    volumes:
+      - ./:/opt/app/
+  coverage:
+    command: ["bundle", "exec", "rake", "coverage:server"]
+    extends:
+      service: img
+    ports:
+      - 3000:3000
+    volumes:
+      - coverage:/opt/app/coverage/
+  guard:
+    command: ["bundle", "exec", "guard", "-i"]
+    extends:
+      service: cli
+  img:
+    build: ./
+    image: extensible
+  test:
+    command: ["bundle", "exec", "rake", "coverage"]
+    extends:
+      service: cli
+    volumes:
+      - coverage:/opt/app/coverage/
+volumes:
+  coverage:

pkg

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+../container/pkg/

tmp

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+../container/tmp/