Setup Github user in dockerfile

Author: acidicoala

Dockerfile

@@ -25,6 +25,5 @@ RUN pacman -S --noconfirm \
 RUN pacman -Scc --noconfirm
 
 # Setup github user
-RUN addgroup --gid 1001 github
-RUN adduser --uid 1001 --gid 1001 --disabled-password github
+RUN useradd -u 1001 -m -g 1001 github
 USER github