From 6385abfd0ae95f822913dcca5002496cccca2c8f Mon Sep 17 00:00:00 2001
From: Michael Stucki <michael@stucki.io>
Date: Fri, 21 Apr 2017 10:14:08 +0200
Subject: [PATCH] Accept any user and group IDs, even if they already exist

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

diff --git a/Dockerfile b/Dockerfile
index 95236eb..ea5dade 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,8 +25,8 @@ ARG hostuid=1000
 ARG hostgid=1000
 
 RUN \
-    groupadd build -g $hostgid && \
-    useradd build -g $hostgid -u $hostuid && \
+    groupadd --gid $hostgid --force build && \
+    useradd --gid $hostgid --uid $hostuid --non-unique build && \
     rsync -a /etc/skel/ /home/build/
 
 RUN mkdir /home/build/bin