From 30802403cc2e488b51def4607562b36a3f945fc5 Mon Sep 17 00:00:00 2001
From: Salt <rehashedsalt@cock.li>
Date: Tue, 14 Jun 2022 14:14:21 -0500
Subject: [PATCH] Use busyboxisms for creating a user/group

---
 Dockerfile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 3beadc7..1255fa7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,9 @@ ARG FORGE_VERSION="36.2.26"
 ARG JRE_VERSION="openjdk8-jre"
 
 ARG UID=1520
-ARG GID=1520
 ARG USER=minecraft
+ARG GID=1520
+ARG GROUP=minecraft
 
 # The first stage just builds up the modpack
 FROM alpine:latest AS build
@@ -33,7 +34,8 @@ ARG JRE_VERSION
 
 # Build the thing up
 RUN apk add bash curl findutils rsync screen "${JRE_VERSION}"
-RUN groupadd -g $GID -o $USER && useradd -m -u $UID -g $GID -o -s /bin/bash $USER
+RUN addgroup -g $GID $USER && \
+	adduser -h /minecraft -s /bin/sh -G $GROUP -D -H -u $UID
 WORKDIR /minecraft
 COPY --from=build /minecraft .
 USER $USER