utils: docker: fixed some problems

- out-of-tree (../build) working
- ramdisk working
- move package in kerneldir/SD
- building debs (here target is .. and need to be manually copied to SD-folder)
  i have not found way to move them without touching build.sh

utils/docker/Dockerfile

@@ -1,10 +1,5 @@
-#FROM ubuntu:bionic
-#FROM ubuntu:focal
-#FROM ubuntu:jammy
 FROM ubuntu:noble
 
-RUN useradd -ms /bin/bash builder
-
 RUN apt-get update               \
  && apt-get -y -q upgrade        \
  && apt-get -y -q install        \
@@ -26,13 +21,13 @@ RUN apt-get update               \
     libncurses-dev               \
     nano                         \
     sudo                         \
+    kmod                         \
+    debhelper rsync cpio         \
  && apt-get clean
 
-RUN usermod -a -G sudo builder
-RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+RUN usermod -aG sudo ubuntu && \
+    echo 'ubuntu ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+
+RUN mkdir -p /srv/code && chmod a+rwx -R /srv
 
-USER builder
-#WORKDIR /srv/
-WORKDIR /home/builder
-RUN git clone --depth 1 https://www.github.com/frank-w/BPI-ROUTER-Linux --branch 6.6-main --single-branch code
-RUN sed -i.bak -e 's/^\(ramdisksize\)/#\1/' code/build.conf
+WORKDIR /srv/code

utils/docker/run.sh

@@ -3,5 +3,12 @@
 DIR=$(dirname "$(readlink -f "$0")")
 REPO_DIR="$DIR/../.."
 
+export UID=$(id -u)
+export GID=$(id -g)
+
 mkdir -p "$REPO_DIR/SD"
-docker run --privileged -it -v "$REPO_DIR/SD":/SD -v "$REPO_DIR":/srv bpi-cross-compile:1 /bin/bash
+docker run --privileged -it \
+	--user $UID:$GID \
+	-v "$REPO_DIR/SD":/srv/SD \
+	-v "$REPO_DIR":/srv/code \
+	bpi-cross-compile:1 /bin/bash