add bash

Author: Jiyeon Baek

Dockerfile

@@ -6,6 +6,7 @@ RUN apk update \
  && apk add --no-cache \
     ca-certificates \
     build-base \
+    bash \
     wget \
     jq \
     patch \

script/add-container-tag

@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/bash -e
 
 add_docker_tag() {
     local IMAGE_PATH="$1"