l3d#73 Add zsh shell

CHANGELOG

+v1.7.1 2021-01-06
+-----------------
+docker/l3d#73 Add zsh shell
+
+v1.7.0 2020-12-29
+-----------------
+composer/plugin/docker4drupal#39 Add PHP 8.0
+
+v1.6.1 2020-12-25
+-----------------
+docker/l3d#57 Install sudo
+
 v1.6.0 2020-11-09
 -----------------
 Composer 2 compatibility

Dockerfile

@@ -50,7 +50,7 @@ RUN echo 'hosts: files dns' > /etc/nsswitch.conf && \
     echo "StrictHostKeyChecking no" >> /root/.ssh/config && \
     \
     apk update && \
-    apk add --no-cache openssh wget make patch bash fish python3 git git-lfs unzip acl libpng-dev libzip-dev sudo && \
+    apk add --no-cache openssh wget make patch bash fish zsh python3 git git-lfs unzip acl libpng-dev libzip-dev sudo && \
     if [ "${ALPINE_VERSION}" = "3.12" ]; then \
       apk add --no-cache mandoc ; \
     else \