Generate UTF-8 locales and set ENV

http://jaredmarkell.com/docker-and-locales/

scripts/install-essentials

@@ -4,7 +4,7 @@ set -xeo pipefail
 
 apt-get update
 apt-get install -y \
-	curl wget build-essential \
+	curl wget build-essential apt-utils locales \
 	libssl-dev libyaml-dev libreadline6-dev zlib1g-dev \
 	libncurses5-dev libffi-dev libgdbm3 libgdbm-dev \
 	ca-certificates libyaml-dev checkinstall libxml2-dev \
@@ -13,4 +13,13 @@ apt-get install -y \
 	libkrb5-dev postgresql-client mysql-client unzip \
 	$PACKAGES
 
+# Set UTF-8
+# http://stackoverflow.com/a/3182519/2137281
+LOC=$'LC_ALL=en_US.UTF-8\nLANG=en_US.UTF-8'
+echo "$LOC" > /etc/environment
+cat /etc/environment
+locale-gen "en_US en_US.UTF-8"
+dpkg-reconfigure locales -f noninteractive -p critical
+locale -a
+
 rm -rf /var/lib/apt/lists/*