fix(dockerfile): bad copypasta

Dockerfile

@@ -77,12 +77,12 @@ RUN useradd \
 RUN chsh --shell "/usr/bin/zsh" "${USER}"
 
 # Install Docker CE CLI
-RUN apt-get update \
-    apt-get install -y apt-transport-https ca-certificates curl gnupg2 lsb-release && \
+RUN apt-get update --yqq && \
+    apt-get install -yqq apt-transport-https ca-certificates curl gnupg2 lsb-release && \
     curl -fsSL https://download.docker.com/linux/$(lsb_release -is | tr '[:upper:]' '[:lower:]')/gpg | apt-key add - 2>/dev/null && \
     echo "deb [arch=amd64] https://download.docker.com/linux/$(lsb_release -is | tr '[:upper:]' '[:lower:]') $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list && \
-    apt-get update && \
-    apt-get install -y docker-ce-cli
+    apt-get update -yqq && \
+    apt-get install -yqq docker-ce-cli
 
 # Create docker-init script which configures user group permissions
 RUN echo -e "#!/bin/sh\n\