resolved the need to run build.sh by hand

docker/Dockerfile

@@ -1,13 +1,16 @@
 FROM ubuntu:20.04
 
+ENV TZ="America/Detroit"
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 RUN apt-get update && apt-get install -y git wget python3 python3-distutils sudo nano && sudo ln -s /usr/bin/python3 /usr/bin/python
 
 WORKDIR /app
 
 RUN git clone https://github.com/aman-goel/avr.git
 WORKDIR /app/avr
 RUN sed -i 's/-n "$(uname -a | grep Ubuntu)"/1 -eq 1/g' build.sh ## to get rid of OS check
-RUN chmod +x build.sh && chmod +x deps/build_deps.sh ## run build.sh manually, as it requires some y-s
+RUN chmod +x build.sh && chmod +x deps/build_deps.sh
+RUN ./build.sh
 
 CMD ["bash"]