Merge pull request #6 from RPi-Distro/master

sync origin branch with rpi-distro/pi-gen master

.dockerignore

@@ -1,3 +1,5 @@
 output/
 work/
 deploy/
+apt-cacher-ng/
+.git/objects/*

.gitignore

@@ -3,6 +3,7 @@ work/*
 config
 postrun.sh
 SKIP
+SKIP_IMAGES
 .pc
 *-pc
 apt-cacher-ng/

Dockerfile

@@ -1,10 +1,14 @@
-FROM debian:stretch
+ARG BASE_IMAGE=debian:bullseye
+FROM ${BASE_IMAGE}
+
+ENV DEBIAN_FRONTEND noninteractive
 
 RUN apt-get -y update && \
-    apt-get -y install \
+    apt-get -y install --no-install-recommends \
         git vim parted \
-        quilt realpath qemu-user-static debootstrap zerofree pxz zip dosfstools \
-        bsdtar libcap2-bin rsync grep udev xz-utils \
+        quilt coreutils qemu-user-static debootstrap zerofree zip dosfstools \
+        libarchive-tools libcap2-bin rsync grep udev xz-utils curl xxd file kmod bc\
+        binfmt-support ca-certificates qemu-utils kpartx fdisk gpg pigz\
     && rm -rf /var/lib/apt/lists/*
 
 COPY . /pi-gen/