From 44ed3ceea5c54880523c613170f968d8d22370bd Mon Sep 17 00:00:00 2001
From: Chris Cinelli <unknown>
Date: Thu, 24 Oct 2019 00:29:50 -0700
Subject: [PATCH] Optimize Dockerfile

---
 Dockerfile | 59 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 32 insertions(+), 27 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 53b4c0d..180a35c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,32 +1,37 @@
-FROM debian:stretch-slim
+FROM debian:9.11-slim
 MAINTAINER SoloKeys <hello@solokeys.com>
 
-RUN apt-get update -qq
-RUN apt-get install -qq bzip2 git make wget >/dev/null
+# Install necessary packages
+RUN apt-get update  \
+  && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    make \
+    wget \
+    bzip2 \
+  && rm -rf /var/lib/apt/lists/*
 
-# 1. ARM GCC: for compilation
-RUN wget -q -O gcc.tar.bz2 https://developer.arm.com/-/media/Files/downloads/gnu-rm/8-2019q3/RC1.1/gcc-arm-none-eabi-8-2019-q3-update-linux.tar.bz2?revision=c34d758a-be0c-476e-a2de-af8c6e16a8a2?product=GNU%20Arm%20Embedded%20Toolchain,64-bit,,Linux,8-2019-q3-update
-#   from website
-RUN echo "6341f11972dac8de185646d0fbd73bfc  gcc.tar.bz2" > gcc.md5
-RUN md5sum -c gcc.md5
-#   self-generated
-RUN echo "b50b02b0a16e5aad8620e9d7c31110ef285c1dde28980b1a9448b764d77d8f92  gcc.tar.bz2" > gcc.sha256
-RUN sha256sum -c gcc.sha256
-RUN tar -C /opt -xf gcc.tar.bz2
+# Install ARM compiler
+RUN set -eux; \
+	url="https://developer.arm.com/-/media/Files/downloads/gnu-rm/8-2019q3/RC1.1/gcc-arm-none-eabi-8-2019-q3-update-linux.tar.bz2?revision=c34d758a-be0c-476e-a2de-af8c6e16a8a2?product=GNU%20Arm%20Embedded%20Toolchain,64-bit,,Linux,8-2019-q3-update"; \
+	wget -O gcc.tar.bz2 "$url"; \
+  echo "6341f11972dac8de185646d0fbd73bfc gcc.tar.bz2" | md5sum -c -; \
+	echo "b50b02b0a16e5aad8620e9d7c31110ef285c1dde28980b1a9448b764d77d8f92 gcc.tar.bz2" | sha256sum -c -; \
+	tar -C /opt -xf gcc.tar.bz2; \
+	rm gcc.tar.bz2;
 
-# 2. Python3.7: for solo-python (merging etc.)
-RUN wget -q -O miniconda.sh https://repo.anaconda.com/miniconda/Miniconda3-4.5.12-Linux-x86_64.sh
-#   from website
-RUN echo "866ae9dff53ad0874e1d1a60b1ad1ef8  miniconda.sh" > miniconda.md5
-RUN md5sum -c miniconda.md5
-#   self-generated
-RUN echo "e5e5b4cd2a918e0e96b395534222773f7241dc59d776db1b9f7fedfcb489157a  miniconda.sh" > miniconda.sha256
-RUN sha256sum -c miniconda.sha256
+# Python3.7: for solo-python (merging etc.)
+RUN set -eux; \
+	url="https://repo.anaconda.com/miniconda/Miniconda3-4.5.12-Linux-x86_64.sh"; \
+	wget -O miniconda.sh "$url"; \
+  echo "866ae9dff53ad0874e1d1a60b1ad1ef8 miniconda.sh" | md5sum -c -; \
+	echo "e5e5b4cd2a918e0e96b395534222773f7241dc59d776db1b9f7fedfcb489157a miniconda.sh" | sha256sum -c -; \
+	bash ./miniconda.sh -b -p /opt/conda; \
+  ln -s /opt/conda/bin/python /usr/local/bin/python3; \
+  ln -s /opt/conda/bin/python /usr/local/bin/python; \
+  ln -s /opt/conda/bin/pip /usr/local/bin/pip3; \
+  ln -s /opt/conda/bin/pip /usr/local/bin/pip; \
+	rm miniconda.sh; \
+  pip install -U pip
 
-RUN bash ./miniconda.sh -b -p /opt/conda
-RUN ln -s /opt/conda/bin/python /usr/local/bin/python3
-RUN ln -s /opt/conda/bin/python /usr/local/bin/python
-RUN ln -s /opt/conda/bin/pip /usr/local/bin/pip3
-RUN ln -s /opt/conda/bin/pip /usr/local/bin/pip
-
-RUN pip install -U pip && pip install -U solo-python
\ No newline at end of file
+# solo-python (Python3.7 script for merging etc.)
+RUN pip install -U solo-python
\ No newline at end of file