From 21b9ab91e92f161f4053bf688960d0597fcb1a8a Mon Sep 17 00:00:00 2001
From: TIm Kluge <timklge@gmail.com>
Date: Fri, 1 May 2020 15:09:24 +0200
Subject: [PATCH] ref #1: Move package retrieval before source copy so that it
 can be cached

---
 Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index be81bdc..f7d9214 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,10 +17,10 @@ RUN useradd -m $USERNAME && \
         usermod  --uid $uid $USERNAME && \
         groupmod --gid $gid $USERNAME
 
-WORKDIR /home/$USERNAME
-COPY src /home/$USERNAME/src
 RUN apt-get update && apt-get install -y \
       python-catkin-tools bash
+WORKDIR /home/$USERNAME
+COPY src /home/$USERNAME/src
 RUN rosdep install --from-paths . -r -y
 RUN catkin config \
       --extend /opt/ros/melodic && \
-- 
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