[refactor] minor updates to .gitignore, Dockerfile

.gitignore

@@ -5,6 +5,7 @@ runs/
 flagged/Input Image/**/*
 flagged/log.csv
 .DS_Store
+tmp
 
 ### JetBrains ###
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm

Dockerfile

@@ -25,7 +25,7 @@ RUN apt update && apt upgrade -y && apt install --no-install-recommends -y \
   git \
   ffmpeg \
   curl \
-  && apt-get clean && rm -rf /var/lib/apt/lists/*
+  && apt clean && rm -rf /var/lib/apt/lists/*
 
 RUN which python3
 RUN python3 --version