Add indexer gemfile

viewers/package-tracking/Dockerfile

@@ -1,14 +1,14 @@
 FROM ruby:2.5.0
 
-# TODO: Move to Gemfile
-RUN gem install trackerific -v 0.8.0
-RUN gem install sinatra -v 2.0
-
-EXPOSE 3000
-
 RUN mkdir -p /src
 WORKDIR /src
 
+EXPOSE 3000
+
+COPY Gemfile /src/
+COPY Gemfile.lock /src/
+RUN bundle install
+
 COPY main.rb  /src/
 
 CMD ruby main.rb

viewers/package-tracking/Gemfile

@@ -0,0 +1,5 @@
+source 'https://rubygems.org'
+ruby '2.5'
+
+gem 'trackerific', '0.8.0'
+gem 'sinatra', '2.0'

viewers/package-tracking/Gemfile.lock

@@ -0,0 +1,73 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (5.1.4)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    akami (1.2.2)
+      gyoku (>= 0.4.0)
+      nokogiri
+    builder (3.2.3)
+    concurrent-ruby (1.0.5)
+    gyoku (1.1.1)
+      builder (>= 2.1.2)
+    httparty (0.15.7)
+      multi_xml (>= 0.5.2)
+    httpi (2.1.1)
+      rack
+      rubyntlm (~> 0.3.2)
+    i18n (0.9.4)
+      concurrent-ruby (~> 1.0)
+    mime-types (1.25.1)
+    mini_portile2 (2.3.0)
+    minitest (5.11.3)
+    multi_xml (0.6.0)
+    mustermann (1.0.1)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    nori (2.3.0)
+    rack (2.0.4)
+    rack-protection (2.0.0)
+      rack
+    rubyntlm (0.3.4)
+    savon (2.3.3)
+      akami (~> 1.2.0)
+      builder (>= 2.1.2)
+      gyoku (~> 1.1.0)
+      httpi (~> 2.1.0)
+      nokogiri (>= 1.4.0)
+      nori (~> 2.3.0)
+      wasabi (~> 3.2.2)
+    sinatra (2.0.0)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.0)
+      tilt (~> 2.0)
+    thread_safe (0.3.6)
+    tilt (2.0.8)
+    trackerific (0.8.0)
+      activesupport
+      builder
+      httparty (>= 0.12.0)
+      savon (~> 2.3.0)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    wasabi (3.2.3)
+      httpi (~> 2.0)
+      mime-types (< 2.0.0)
+      nokogiri (>= 1.4.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  sinatra (= 2.0)
+  trackerific (= 0.8.0)
+
+RUBY VERSION
+   ruby 2.5.0p0
+
+BUNDLED WITH
+   1.16.1