Create user during dockerfile

Dockerfile

@@ -62,6 +62,10 @@ WORKDIR /data
 COPY /docker-entrypoint.sh /opt/minecraft
 RUN chmod +x /opt/minecraft/docker-entrypoint.sh
 
+RUN    addgroup --gid 9001 dockergroup
+RUN    adduser --shell /bin/sh --uid 9001 --gid 9001 dockeruser
+
+
 # Install gosu
 #RUN set -eux; \
 #	apk update; \

docker-entrypoint.sh

@@ -4,20 +4,20 @@ set -euxo pipefail
 DOCKER_USER='dockeruser'
 DOCKER_GROUP='dockergroup'
 
-if ! id "$DOCKER_USER" >/dev/null 2>&1; then
-    echo "First start of the docker container, start initialization process."
-
-    USER_ID=${PUID:-9001}
-    GROUP_ID=${PGID:-9001}
-    echo "Starting with $USER_ID:$GROUP_ID (UID:GID)"
-
-    addgroup --gid $GROUP_ID $DOCKER_GROUP
-    adduser --shell /bin/sh --uid $USER_ID --gid $GROUP_ID $DOCKER_USER
-
-    chown -vR $USER_ID:$GROUP_ID /opt/minecraft
-    chmod -vR ug+rwx /opt/minecraft
-    chown -vR $USER_ID:$GROUP_ID /data
-fi
+#if ! id "$DOCKER_USER" >/dev/null 2>&1; then
+#    echo "First start of the docker container, start initialization process."
+#
+#    USER_ID=${PUID:-9001}
+#    GROUP_ID=${PGID:-9001}
+#    echo "Starting with $USER_ID:$GROUP_ID (UID:GID)"
+#
+#    addgroup --gid $GROUP_ID $DOCKER_GROUP
+#    adduser --shell /bin/sh --uid $USER_ID --gid $GROUP_ID $DOCKER_USER
+#
+#    chown -vR $USER_ID:$GROUP_ID /opt/minecraft
+#    chmod -vR ug+rwx /opt/minecraft
+#    chown -vR $USER_ID:$GROUP_ID /data
+#fi
 
 export HOME=/home/$DOCKER_USER
 exec sudo -u $DOCKER_USER java -jar -Xms$MEMORYSIZE -Xmx$MEMORYSIZE $JAVAFLAGS /opt/minecraft/paperspigot.jar --nojline nogui