1 files changed, 71 insertions, 0 deletions
diff --git a/src/infrastructure/scripts/deploy.sh b/src/infrastructure/scripts/deploy.sh
new file mode 100755
index 0000000..65a50c1
--- /dev/null
+++ b/src/infrastructure/scripts/deploy.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+set -eu
+
+usage() {
+	cat <<-'EOF'
+		Usage:
+		  deploy
+		  deploy -h
+	EOF
+}
+
+help() {
+	cat <<-'EOF'
+
+		Options:
+		  -h, --help    show this message
+
+
+		Do a blue/green deployment of the relevant service.  It makes
+		sure that the new service is up and running before shutting
+		down the old one.
+
+
+		Examples:
+
+		  Just do the deploy:
+
+		    $ deploy
+	EOF
+}
+
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+while getopts 'h' flag; do
+	case "$flag" in
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+
+if [ "$(id -un)" != 'root' ]; then
+	printf 'This script must be run as root.\n\n' >&2
+	usage >&2
+	exit 2
+fi
+
+
+: sudo herd restart a-service