From 8eca76e4648a738923541a29c735fa8fc77041b5 Mon Sep 17 00:00:00 2001
From: Jens Langhammer <jens.langhammer@beryju.org>
Date: Thu, 22 Oct 2020 11:54:23 +0200
Subject: [PATCH] root: fix docker permission error

---
 Dockerfile | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 8e5919cd1..3b5d729f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,14 @@ RUN apt-get update && \
     pip install -r /requirements.txt --no-cache-dir && \
     apt-get remove --purge -y build-essential && \
     apt-get autoremove --purge -y && \
-    adduser --system --no-create-home --uid 1000 --group --home /passbook passbook
+    # This is quite hacky, but docker has no guaranteed Group ID
+    # we could instead check for the GID of the socket and add the user dynamically,
+    # but then we have to drop permmissions later
+    groupadd -g 998 docker_998 && \
+    groupadd -g 999 docker_999 && \
+    adduser --system --no-create-home --uid 1000 --group --home /passbook passbook && \
+    usermod -a -G docker_998 passbook && \
+    usermod -a -G docker_999 passbook
 
 COPY ./passbook/ /passbook
 COPY ./manage.py /