Cleaner install

Author: SohierDane

Dockerfile.tmpl

@@ -59,7 +59,7 @@ RUN sed -i "s/httpredir.debian.org/debian.uchicago.edu/" /etc/apt/sources.list &
     apt-get update && \
     # Needed by lightGBM (GPU build)
     # https://lightgbm.readthedocs.io/en/latest/GPU-Tutorial.html#build-lightgbm
-    apt-get install -y build-essential unzip cmake libboost-dev libboost-system-dev libboost-filesystem-dev && \
+    apt-get install -y build-essential unzip cmake libboost-dev libboost-system-dev libboost-filesystem-dev p7zip-full && \
     # b/182601974: ssh client was removed from the base image but is required for packages such as stable-baselines.
     apt-get install -y openssh-client && \
     /tmp/clean-layer.sh
@@ -528,9 +528,6 @@ RUN mkdir -p /root/.EasyOCR/model && \
     rm /root/.EasyOCR/model/craft_mlt_25k.zip && \
     /tmp/clean-layer.sh
 
-# Add 7z support
-RUN apt-get install -y p7zip-full
-
 # Tesseract and some associated utility packages
 RUN apt-get install tesseract-ocr -y && \
     pip install pytesseract && \