fix dockerfile

Dockerfile

@@ -1,21 +1,28 @@
 FROM ruby:2.4
 
-WORKDIR /usr/src/app/
-
 # see http://stackoverflow.com/questions/38453963/gitlab-ci-setup-error-could-not-find-a-javascript-runtime
 RUN apt-get update && apt-get install nodejs -y
 
-# set locale
+# throw errors if Gemfile has been modified since Gemfile.lock
-RUN apt-get install -y locales
+RUN bundle config --global frozen 1
-RUN dpkg-reconfigure locales && \
+
-  locale-gen C.UTF-8 && \
+ENV LANG C.UTF-8
-  /usr/sbin/update-locale LANG=C.UTF-8
+
-RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && \
+WORKDIR /usr/src/app
-  locale-gen
-ENV LC_ALL C.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US.UTF-8
 
-# install gems
 COPY Gemfile /usr/src/app/
+COPY Gemfile.lock /usr/src/app/
 RUN bundle install
+
+COPY . /usr/src/app
+
+# set locale
+# RUN apt-get install -y locales
+# RUN dpkg-reconfigure locales && \
+#   locale-gen C.UTF-8 && \
+#   /usr/sbin/update-locale LANG=C.UTF-8
+# RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && \
+#   locale-gen
+# ENV LC_ALL C.UTF-8
+# ENV LANG en_US.UTF-8
+# ENV LANGUAGE en_US.UTF-8

Gemfile.lock

@@ -13,6 +13,8 @@ GEM
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
+    commonmarker (0.17.7.1)
+      ruby-enum (~> 0.5)
     concurrent-ruby (1.0.5)
     ethon (0.11.0)
       ffi (>= 1.3.0)
@@ -22,12 +24,13 @@ GEM
     ffi (1.9.18)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    github-pages (170)
+    github-pages (172)
       activesupport (= 4.2.9)
       github-pages-health-check (= 1.3.5)
       jekyll (= 3.6.2)
       jekyll-avatar (= 0.5.0)
       jekyll-coffeescript (= 1.0.2)
+      jekyll-commonmark-ghpages (= 0.1.3)
       jekyll-default-layout (= 0.1.4)
       jekyll-feed (= 0.9.2)
       jekyll-gist (= 1.4.1)
@@ -38,6 +41,7 @@ GEM
       jekyll-readme-index (= 0.2.0)
       jekyll-redirect-from (= 0.12.1)
       jekyll-relative-links (= 0.5.2)
+      jekyll-remote-theme (= 0.2.3)
       jekyll-sass-converter (= 1.5.0)
       jekyll-seo-tag (= 2.3.0)
       jekyll-sitemap (= 1.1.1)
@@ -91,6 +95,13 @@ GEM
     jekyll-coffeescript (1.0.2)
       coffee-script (~> 2.2)
       coffee-script-source (~> 1.11.1)
+    jekyll-commonmark (1.1.0)
+      commonmarker (~> 0.14)
+      jekyll (>= 3.0, < 4.0)
+    jekyll-commonmark-ghpages (0.1.3)
+      commonmarker (~> 0.17.6)
+      jekyll-commonmark (~> 1)
+      rouge (~> 2)
     jekyll-default-layout (0.1.4)
       jekyll (~> 3.0)
     jekyll-feed (0.9.2)
@@ -113,6 +124,10 @@ GEM
       jekyll (~> 3.3)
     jekyll-relative-links (0.5.2)
       jekyll (~> 3.3)
+    jekyll-remote-theme (0.2.3)
+      jekyll (~> 3.5)
+      rubyzip (>= 1.2.1, < 3.0)
+      typhoeus (>= 0.7, < 2.0)
     jekyll-sass-converter (1.5.0)
       sass (~> 3.4)
     jekyll-seo-tag (2.3.0)
@@ -162,8 +177,8 @@ GEM
       jekyll-seo-tag (~> 2.0)
     jekyll-titles-from-headings (0.5.0)
       jekyll (~> 3.3)
-    jekyll-watch (1.5.0)
+    jekyll-watch (1.5.1)
-      listen (~> 3.0, < 3.1)
+      listen (~> 3.0)
     jemoji (0.8.1)
       activesupport (~> 4.0, >= 4.2.9)
       gemoji (~> 3.0)
@@ -183,17 +198,20 @@ GEM
     net-dns (0.8.0)
     nokogiri (1.8.1)
       mini_portile2 (~> 2.3.0)
-    octokit (4.7.0)
+    octokit (4.8.0)
       sawyer (~> 0.8.0, >= 0.5.3)
-    pathutil (0.16.0)
+    pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (2.2.1)
+    ruby-enum (0.7.1)
+      i18n
+    rubyzip (1.2.1)
     safe_yaml (1.0.4)
-    sass (3.5.3)
+    sass (3.5.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -217,4 +235,4 @@ DEPENDENCIES
   github-pages
 
 BUNDLED WITH
-   1.16.0
+   1.16.1