Add EUC-JP locale

localhost/caskd/archlinux/base/Containerfile

@@ -1,14 +1,19 @@
 FROM archlinux:base-devel
 
+# Enable locales as well for containers
+# Disables blacklist of less-commonly used features
+RUN sed -i 's/^NoExtract.*$//' /etc/pacman.conf
+RUN pacman-key --init
+RUN --network=host pacman -Syu --noconfirm \
+	archlinux-keyring \
+	glibc
+
 RUN sed -i 's/#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen
+RUN sed -i 's/#ja_JP.EUC-JP EUC-JP/ja_JP.EUC-JP EUC-JP/' /etc/locale.gen
 RUN locale-gen
 ENV \
 	LANG=en_US.UTF-8 \
 	LANGUAGE=en_US:en \
 	LC_ALL=en_US.UTF-8
 
-RUN pacman-key --init
-RUN --network=host pacman -Syu --noconfirm \
-	archlinux-keyring
-
 RUN useradd -u 10000 -m user