Add image for doc-gitlab-com

Dockerfile.doc-gitlab-com

@@ -0,0 +1,12 @@
+FROM ruby:2.3-slim
+
+ENV PACKAGES="git-core pandoc locales"
+
+ADD / /
+RUN /scripts/install-doc-gitlab-com
+
+# Set UTF-8 http://jaredmarkell.com/docker-and-locales/
+# Must be set after install-essentials is run
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8

scripts/install-doc-gitlab-com

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -xeo pipefail
+
+apt-get update
+apt-get install -yq --no-install-recommends \
+  $PACKAGES
+
+apt-get autoremove -yq
+
+# Set UTF-8
+echo "en_US.UTF-8 UTF-8" > /etc/locale.gen
+locale-gen
+update-locale LANG=en_US.UTF-8 LC_CTYPE=en_US.UTF-8 LC_ALL=en_US.UTF-8
+locale -a
+
+rm -rf /var/lib/apt/lists/*