diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f46ae85..a3003fb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,3 +13,4 @@ variables:
 ruby-2.1: *build_and_deploy
 ruby-2.2: *build_and_deploy
 ruby-2.3: *build_and_deploy
+www-gitlab-com: *build_and_deploy
diff --git a/Dockerfile.ruby-2.1 b/Dockerfile.ruby-2.1
index 4359a97..4cc26a0 100644
--- a/Dockerfile.ruby-2.1
+++ b/Dockerfile.ruby-2.1
@@ -1,6 +1,7 @@
 FROM ruby:2.1
 
-ENV PACKAGES "git-core"
+ENV PACKAGES "git-core" \
+	LC_ALL=en_US.UTF-8
 
 ADD / /
 RUN /scripts/install-essentials
diff --git a/Dockerfile.ruby-2.2 b/Dockerfile.ruby-2.2
index 1da95b4..514d916 100644
--- a/Dockerfile.ruby-2.2
+++ b/Dockerfile.ruby-2.2
@@ -1,6 +1,7 @@
 FROM ruby:2.3
 
-ENV PACKAGES "git-core"
+ENV PACKAGES "git-core" \
+	LC_ALL=en_US.UTF-8
 
 ADD / /
 RUN /scripts/install-essentials
diff --git a/Dockerfile.ruby-2.3 b/Dockerfile.ruby-2.3
index fc42a19..bba4ea2 100644
--- a/Dockerfile.ruby-2.3
+++ b/Dockerfile.ruby-2.3
@@ -1,6 +1,7 @@
 FROM ruby:2.2
 
-ENV PACKAGES "git-core"
+ENV PACKAGES "git-core" \
+	LC_ALL=en_US.UTF-8
 
 ADD / /
 RUN /scripts/install-essentials
diff --git a/Dockerfile.www-gitlab-com b/Dockerfile.www-gitlab-com
new file mode 100644
index 0000000..85b23b1
--- /dev/null
+++ b/Dockerfile.www-gitlab-com
@@ -0,0 +1,7 @@
+FROM ruby:2.1
+
+ENV PACKAGES "git-core nodejs pandoc texlive-latex-recommended texlive-xetex texlive-fonts-recommended ed" \
+	LC_ALL=en_US.UTF-8
+
+ADD / /
+RUN /scripts/install-essentials