./lib/rubypitaya/app-template/docker/dev/Dockerfile in rubypitaya-1.2.7 vs ./lib/rubypitaya/app-template/docker/dev/Dockerfile in rubypitaya-1.2.9

@@ -1,8 +1,8 @@
 FROM ruby:2.6.6
 
 RUN apt update
-RUN apt install -y git vim docker.io postgresql-client --no-install-recommends
+RUN apt install -y git vim postgresql-client --no-install-recommends
 
 WORKDIR /app/rubypitaya/
 
 COPY Gemfile Gemfile.lock ./