separate package install from initialization on dockefile build

Dockerfile

@@ -2,6 +2,7 @@ ARG BASE_IMAGE
 FROM $BASE_IMAGE
 ARG BASE_IMAGE
 ARG KEEP
+ARG SYSADMIN_PW
 ARG LINUX_DISTRO=alpine
 ARG SCRIPTS=/build 
 WORKDIR $SCRIPTS
@@ -9,9 +10,16 @@ COPY .src ./
 
 RUN echo -e "\n ************************************************* \n"\
     echo "****** Building Image from Base: $BASE_IMAGE; : Distro: $LINUX_DISTRO; *****"; \
+    echo " ---- running packages install script ---"; /bin/sh ./packages.sh; \
+    echo -e "\n********************************************************" 
+
+ARG CACHE_BUST 
+RUN echo -e "\n ************************************************* \n" \
+    echo "****** CACHE_BUST ${CACHE_BUST} "; \
+    echo "****** Running Initialization Script "; \
     chmod -R +x .; \ 
     pwd; ls -la; \
-    echo " ---- running init script ---"; ./init.sh; \
+    echo " ---- running init script ---"; /bin/bash ./init.sh; \
     echo -e "\n********************************************************" 
 
 VOLUME [ "/data", "/opt", "/shell" ]

docker-bake.hcl

@@ -17,6 +17,12 @@ variable "BASE_IMAGE" {
 variable "KEEP" {
   default = ""
 }
+variable "SYSADMIN_PW" {
+  default = ""
+}
+variable "CACHE_BUST" {
+  default = "1"
+}
 
 function "tag" {
   params = [suffix]
@@ -50,6 +56,8 @@ target "amd" {
     TAG          = "${TAG}"
     SCRIPTS      = "/build/${SCRIPTS}"
     KEEP         = "${KEEP}"
+    SYSADMIN_PW  = "${SYSADMIN_PW}"
+    CACHE_BUST   = "${CACHE_BUST}"
   }
   tags      = tag("")
   platforms = ["linux/amd64"]

src/alpine/init.sh

@@ -1,8 +1 @@
-#!/bin/sh
-echo alpine distro init script
-apk update; apk upgrade; 
-pwd; ls -la
-echo ">>>> installing packages => alpine: $(cat ./packages); common: $(cat ../common/packages)"
-apk add --no-cache bash bash-completion $(cat ./packages) $(cat ../common/packages)
-# apk add bindfs --repository=http://dl-cdn.alpinelinux.org/alpine/edge/testing 
-
+echo initialization script for alpine distro

src/alpine/packages

@@ -1 +1,2 @@
 bash
+bash-completion

src/common/init.sh

@@ -1,10 +1,27 @@
 #!/bin/bash
+
 echo -e "\n##################################"
-mkdir -p /opt/scripts /opt/bin /shell /opt/conf /data
-# this is the default host user
-chown -R 1000:1000 /opt /shell /data
+# add admin user
+groupadd -g 1000 host
+useradd -r -g host -u 1000 host
+groupadd -g 1001 sysadmin
+useradd -rm -s /bin/bash -G sudo,host -g sysadmin -u 1001 sysadmin
+groups sysadmin
+chpasswd <<<"sysadmin:${SYSADMIN_PW:-sysadmin}"
+cp permitmod /etc/sudoers.d
+chmod 440 /etc/sudoers.d/permitmod
+
 git clone https://git.kebler.net/bash/shell-base.git /shell/base
-cp ucishell.sh /shell/base/setup
-/shell/base/setup/ucishell.sh
-# install and display distro info
-./info.sh
+/bin/bash /shell/base/install/install.sh sysadmin
+# copy permenent scripts to /opt/scripts
+/bin/bash -l -c "module_load dir; dir_copy scripts /opt"
+source /opt/scripts/container.env 
+# make essential directories
+mkdir -p $SHARED_DIRS /opt/scripts /opt/bin
+# let the sysadmin user (1000) own these and group write
+ # install distro info screen
+/bin/bash install-info.sh
+chown -R sysadmin:sysadmin $SHARED_DIRS
+chmod -R g+rw $SHARED_DIRS
+# call distro info
+/bin/bash -l -c "info"

src/common/packages

@@ -1 +1,6 @@
-wget curl git rsync
+wget 
+curl 
+git 
+rsync
+sudo
+nano

src/debian/init.sh

@@ -1,4 +1,2 @@
 #!/bin/sh
-echo ubuntu distro uci script
-apt-get update
-apt-get install wget -y
+echo initialization script for debian distro

src/init.sh

@@ -1,22 +1,25 @@
 #!/bin/sh
- echo "entry init.sh script in $PWD"
+ echo "entry init.sh script in $SCRIPTS"
  # remove other distro files
- find $PWD -maxdepth 1 -type d  ! -path $PWD ! -name ${LINUX_DISTRO} ! -name common -exec rm -rf {} +
+#  find $PWD -maxdepth 1 -type d  ! -path $PWD ! -name ${LINUX_DISTRO} ! -name common -exec rm -rf {} +
  cd ${LINUX_DISTRO} || exit 1
  echo " ----- Running ${LINUX_DISTRO} specific init script ----- "; 
- ./init.sh
+ /bin/bash init.sh
  cd ..
  cd common || exit 1 
  echo " ***** Running common initialzation script *****"
  ls -la; 
- ./init.sh; 
+ /bin/bash init.sh; 
+ cd ..
  cd ${LINUX_DISTRO} || exit 1
  echo " ----- Running ${LINUX_DISTRO} specific post commont script ----- "; 
  if [[ -f post_common.sh ]]; then
     echo "running distro specific commands after common install in post_common.sh"
-    ./post_common.sh
- fi
+    /bin/bash post_common.sh
      echo returned from ${LINUX_DISTRO} post common script
+ fi
+ cd ..
+
  if [ -z $KEEP ]; then
     echo removing $SCRIPTS directory used for build
     cd /opt && rm -rf $SCRIPTS

src/ubuntu/init.sh

@@ -1,6 +1,2 @@
 #!/bin/bash
-echo ubuntu distro uci script
-apt-get update
-echo ">>>> installing packages => $(cat packages) $(cat common-packages)"
-apt-get install $(cat packages) $(cat ../common/packages) -y
-./add-ppa.sh -i -p git git-core/ppa
+echo intialization script for ubuntu distro