diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..55cc14d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,16 @@
+FROM debian:bookworm-slim
+
+# detect DOCKER_BUILD condition/situation in install script
+ENV DOCKER_BUILD true
+
+# pre install sudo
+RUN apt update && apt install sudo && rm -rf /var/lib/apt/lists/*
+
+# Install dependencies
+COPY ./install-dependencies.sh /
+RUN /install-dependencies.sh \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /opt/workbench-script
+
+ENTRYPOINT sh ./deploy-workbench.sh
diff --git a/deploy-workbench.sh b/deploy-workbench.sh
index 7996c09..113230c 100755
--- a/deploy-workbench.sh
+++ b/deploy-workbench.sh
@@ -197,7 +197,15 @@ create_persistence_partition() {
                 tmp_rw_mount="/tmp/${rw_img_name}"
                 ${SUDO} umount -f -l "${tmp_rw_mount}" >/dev/null 2>&1 || true
                 mkdir -p "${tmp_rw_mount}"
-                ${SUDO} mount "$(pwd)/${rw_img_path}" "${tmp_rw_mount}"
+                # detect relative path, else absolute path
+                #   TODO solve this situation better
+                #   thanks https://unix.stackexchange.com/questions/256434/check-if-shell-variable-contains-an-absolute-path
+                if [ "${rw_img_path}" = "${rw_img_path#/}" ]; then
+                        mount_rw_img_path="$(pwd)/${rw_img_path}"
+                else
+                        mount_rw_img_path="${rw_img_path}"
+                fi
+                ${SUDO} mount "${mount_rw_img_path}" "${tmp_rw_mount}"
                 ${SUDO} mkdir -p "${tmp_rw_mount}"
                 if [ ! -f "settings.ini" ]; then
                         ${SUDO} cp -v settings.ini.example settings.ini
@@ -324,14 +332,12 @@ END
 echo 'Install requirements'
 
 # Install debian requirements
+# TODO converge more here with install-dependencies.sh
 apt-get install -y --no-install-recommends \
   sudo locales keyboard-configuration console-setup qrencode \
   python-is-python3 python3 python3-dev python3-pip pipenv \
   dmidecode smartmontools hwinfo pciutils lshw nfs-common < /dev/null
 
-# Install lshw B02.19 utility using backports (DEPRECATED in Debian 12)
-#apt install -y -t ${VERSION_CODENAME}-backports lshw  < /dev/null
-
 echo 'Install sanitize requirements'
 
 # Install sanitize debian requirements
@@ -432,8 +438,10 @@ if [ -z "${DEBUG:-}" ]; then
 fi
 
 # cleanup bash history
-history -c
-
+# https://stackoverflow.com/questions/3199893/howto-detect-bash-from-shell-script
+if [ "\${BASH_VERSION}" ]; then
+  history -c
+fi
 CHROOT
 }
 
@@ -474,32 +482,6 @@ prepare_chroot_env() {
         prepare_app
 }
 
-
-# thanks https://willhaley.com/blog/custom-debian-live-environment/
-install_requirements() {
-        # Install requirements
-        eval "${decide_if_update_str}" && decide_if_update
-        image_deps='debootstrap
-                    squashfs-tools
-                    xorriso
-                    mtools
-                    dosfstools'
-        # secureboot:
-        #   -> extra src https://wiki.debian.org/SecureBoot/
-        #   -> extra src https://wiki.debian.org/SecureBoot/VirtualMachine
-        #   -> extra src https://wiki.debian.org/GrubEFIReinstall
-        bootloader_deps='isolinux
-                         syslinux-efi
-                         grub-pc-bin
-                         grub-efi-amd64-bin
-                         ovmf
-                         shim-signed
-                         grub-efi-amd64-signed'
-        ${SUDO} apt-get install -y \
-                ${image_deps} \
-                ${bootloader_deps}
-}
-
 # thanks https://willhaley.com/blog/custom-debian-live-environment/
 create_base_dirs() {
         mkdir -p "${ISO_PATH}"
@@ -524,7 +506,7 @@ detect_user() {
                 echo "ERROR: this script needs root or sudo permissions (current user is not part of sudo group)"
                 exit 1
                 # detect user with sudo or already on sudo src https://serverfault.com/questions/568627/can-a-program-tell-it-is-being-run-under-sudo/568628#568628
-        elif [ ! "\${userid}" = 0 ] || [ -n "\${SUDO_USER}" ]; then
+        elif [ ! "\${userid}" = 0 ] || [ -n "\${SUDO_USER:-}" ]; then
                 SUDO='sudo'
                 # jump to current dir where the script is so relative links work
                 cd "\$(dirname "\${0}")"
@@ -533,7 +515,7 @@ detect_user() {
                 # detect pure root
         elif [ "\${userid}" = 0 ]; then
                 SUDO=''
-                ISO_PATH="/opt/workbench"
+                ISO_PATH="/opt/workbench-script/iso"
         fi
 }
 END
@@ -554,7 +536,7 @@ main() {
 
         create_base_dirs
 
-        install_requirements
+        echo 'Assuming that you already executed ./install-dependencies.sh'
 
         prepare_chroot_env
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index e4cb34a..2fac0b3 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,17 +1,13 @@
 
 services:
   build-iso:
-    build:
-      context: .
-      dockerfile: docker/Dockerfile.build
-    #this is needed for mount
+    init: true
+    build: .
+    # this is needed to mount inside docker
     privileged: true
+    # uncomment next two lines to test this
+    environment:
+      - DEBUG=true
     volumes:
-      - type: bind
-        source: .
-        target: /var/opt
-        read_only: true
-      - type: bind
-        source: ./iso
-        target: /var/opt/iso
-        read_only: false
+      - .:/opt/workbench-script:ro
+      - ./iso:/opt/workbench-script/iso:rw
diff --git a/docker/Dockerfile.build b/docker/Dockerfile.build
deleted file mode 100644
index 921e31e..0000000
--- a/docker/Dockerfile.build
+++ /dev/null
@@ -1,28 +0,0 @@
-FROM debian:bookworm-slim
-
-# Install dependencies
-RUN apt-get update && apt-get install -y \
-    smartmontools \
-    lshw \
-    hwinfo \
-    dmidecode \
-    python3 \
-    pipenv \
-    sudo \
-    debootstrap \
-    && rm -rf /var/lib/apt/lists/*
-
-
-WORKDIR /var/opt
-
-#allow sudo so that deploy-workbench.sh runs
-RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
-RUN echo "docker ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
-
-RUN chown -R docker /var/opt/iso
-
-ENV USER=docker
-USER docker
-
-COPY ./deploy-workbench.sh ./
-ENTRYPOINT sh deploy-workbench.sh
diff --git a/install-dependencies.sh b/install-dependencies.sh
index ae00ba0..b081021 100755
--- a/install-dependencies.sh
+++ b/install-dependencies.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (c) 2024 Pedro <copyright@cas.cat>
+# Copyright (c) 2024 pangea.org Associació Pangea - Coordinadora Comunicació per a la Cooperació
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 set -e
@@ -9,18 +9,52 @@ set -u
 set -x
 
 main() {
-        sudo apt update && \
-                apt install -y \
-                    smartmontools \
-                    lshw \
-                    hwinfo \
-                    dmidecode \
-                    inxi \
-                    python3 \
-                    pipenv \
-                    sudo \
-                    debootstrap \
-                    qemu-system
+        sudo apt update
+
+        # system dependencies
+        host_deps='sudo'
+        # thanks https://stackoverflow.com/questions/23513045/how-to-check-if-a-process-is-running-inside-docker-container
+        if [ ! "${DOCKER_BUILD}" ]; then
+                host_deps="${host_deps} qemu-system"
+        fi
+
+        # workbench deploy/builder image dependencies
+        image_deps='debootstrap
+                    squashfs-tools
+                    xorriso
+                    mtools
+                    dosfstools'
+
+        # workbench deploy/builder bootloader dependencies
+        #   thanks https://willhaley.com/blog/custom-debian-live-environment/
+        #   secureboot:
+        #     -> extra src https://wiki.debian.org/SecureBoot/
+        #     -> extra src https://wiki.debian.org/SecureBoot/VirtualMachine
+        #     -> extra src https://wiki.debian.org/GrubEFIReinstall
+        bootloader_deps='isolinux
+                         syslinux-efi
+                         syslinux-common
+                         grub-pc-bin
+                         grub-efi-amd64-bin
+                         ovmf
+                         shim-signed
+                         grub-efi-amd64-signed'
+
+        # workbench-script client dependencies
+        client_deps='smartmontools
+                     lshw
+                     hwinfo
+                     dmidecode
+                     inxi
+                     python3
+                     pipenv'
+
+        # install all
+        sudo apt install --no-install-recommends -y \
+             ${host_deps} \
+             ${image_deps} \
+             ${bootloader_deps} \
+             ${client_deps}
 }
 
 main "${@}"