mattes · June 6, 2025 20:56 · Jun 11, 2014 · Jun 11, 2014 · Jun 11, 2014 · Jun 10, 2014
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 # Build boot2docker.iso with VirtualBox Guest Additions
 
 __Allows me to mount /Users into boot2docker__ which is incredibly useful for
-my local Docker environment under Mac OSX. So from Mac I can do sth like this:
+my local Docker environment under Mac OSX. So from Mac I can do sth like this:  
 ``docker run -v /Users/mattes/somedir:/data/somedir [..]``.
 
 

diff --git a/README.md b/README.md
@@ -1,16 +1,17 @@
 # Build boot2docker.iso with VirtualBox Guest Additions
 
 __Allows me to mount /Users into boot2docker__ which is incredibly useful for
-my local Docker environment under Mac OSX.
+my local Docker environment under Mac OSX. So from Mac I can do sth like this:
+``docker run -v /Users/mattes/somedir:/data/somedir [..]``.
 
 
 This Dockerfile will download the latest boot2docker image (see ``FROM boot2docker/boot2docker``)
 and adds VirtualBox Guest Additions for your running VirtualBox version.
 
 See also https://github.com/boot2docker/boot2docker/pull/284.
 
-I tried to make the mount permanent from within the VirtualBox GUI (see screenshot)
-but that didn't work. So I added the mount to ``/var/lib/boot2docker/bootsync.sh`` (see Dockerfile.tmpl)
+I tried to make the mount permanent from within the VirtualBox GUI (see __screenshot__)
+but that __didn't work__. So I added the mount logic to ``$ROOTFS/etc/rc.d/vbox-guest-additions-permanent-mount`` (see Dockerfile.tmpl)
 
 See build log here https://gist.github.com/mattes/6bed15318e93925b1280
 

diff --git a/Dockerfile.tmpl b/Dockerfile.tmpl
@@ -1,5 +1,5 @@
-# $VBOX_VERSION should probably be something like 4.3.10 or somesuch
-# 
+# using VirtualBox version $VBOX_VERSION
+
 FROM boot2docker/boot2docker
 RUN apt-get install p7zip-full
 
@@ -18,6 +18,12 @@ RUN echo "" >> $ROOTFS/etc/motd; \
     echo "  boot2docker with VirtualBox guest additions version $VBOX_VERSION" >> $ROOTFS/etc/motd; \
     echo "" >> $ROOTFS/etc/motd
 
+# make mount permanent @todo it works, but its ugly. where should this go?
+RUN echo '#!/bin/sh' >> $ROOTFS/etc/rc.d/vbox-guest-additions-permanent-mount; \
+    echo 'sudo modprobe vboxsf && sudo mkdir /Users && sudo mount -t vboxsf home /Users' >> $ROOTFS/etc/rc.d/vbox-guest-additions-permanent-mount
+RUN chmod +x $ROOTFS/etc/rc.d/vbox-guest-additions-permanent-mount
+RUN echo '/etc/rc.d/vbox-guest-additions-permanent-mount' >> $ROOTFS/opt/bootsync.sh
+
 RUN depmod -a -b $ROOTFS $KERNEL_VERSION-tinycore64
 RUN /make_iso.sh
 CMD ["cat", "boot2docker.iso"]
diff --git a/README.md b/README.md
@@ -1,20 +1,42 @@
-# Build
+# Build boot2docker.iso with VirtualBox Guest Additions
 
-This will download the latest boot2docker image (see ``FROM boot2docker/boot2docker``)
+__Allows me to mount /Users into boot2docker__ which is incredibly useful for
+my local Docker environment under Mac OSX.
+
+
+This Dockerfile will download the latest boot2docker image (see ``FROM boot2docker/boot2docker``)
 and adds VirtualBox Guest Additions for your running VirtualBox version.
 
 See also https://github.com/boot2docker/boot2docker/pull/284.
 
+I tried to make the mount permanent from within the VirtualBox GUI (see screenshot)
+but that didn't work. So I added the mount to ``/var/lib/boot2docker/bootsync.sh`` (see Dockerfile.tmpl)
+
+See build log here https://gist.github.com/mattes/6bed15318e93925b1280
+
+
 ```bash
+# generate Dockerfile from Dockerfile.tmpl
 chmod +x build_docker.sh
 ./build_docker.sh
 
+# build the actual boot2docker.iso with virtual box guest additions
 docker build -t mattes/boot2docker-vbga .
+
+# the following line is proposed in many tutorials, but does not work for me
+# (it outputs an iso that won't work)
 docker run -i -t --rm mattes/boot2docker-vbga > boot2docker.iso
 
+# so I do:
+docker run -i -t --rm mattes/boot2docker-vbga /bin/bash
+# then in a second shell:
+docker cp <Container-ID>:boot2docker.iso boot2docker.iso
+
 # use the new boot2docker.iso
 boot2docker stop
 mv ~/.boot2docker/boot2docker.iso ~/.boot2docker/boot2docker.iso.backup
 mv boot2docker.iso ~/.boot2docker/boot2docker.iso
+VBoxManage sharedfolder add boot2docker-vm -name home -hostpath /Users
 boot2docker up
+boot2docker ssh "ls /Users" # to verify if it worked
 ```
diff --git a/virtualbox-boot2docker-guest-addtions.png b/virtualbox-boot2docker-guest-addtions.png
diff --git a/README.md b/README.md
@@ -17,4 +17,4 @@ boot2docker stop
 mv ~/.boot2docker/boot2docker.iso ~/.boot2docker/boot2docker.iso.backup
 mv boot2docker.iso ~/.boot2docker/boot2docker.iso
 boot2docker up
-```
+```
diff --git a/README.md b/README.md
@@ -11,4 +11,10 @@ chmod +x build_docker.sh
 
 docker build -t mattes/boot2docker-vbga .
 docker run -i -t --rm mattes/boot2docker-vbga > boot2docker.iso
+
+# use the new boot2docker.iso
+boot2docker stop
+mv ~/.boot2docker/boot2docker.iso ~/.boot2docker/boot2docker.iso.backup
+mv boot2docker.iso ~/.boot2docker/boot2docker.iso
+boot2docker up
 ```
diff --git a/README.md b/README.md
@@ -0,0 +1,14 @@
+# Build
+
+This will download the latest boot2docker image (see ``FROM boot2docker/boot2docker``)
+and adds VirtualBox Guest Additions for your running VirtualBox version.
+
+See also https://github.com/boot2docker/boot2docker/pull/284.
+
+```bash
+chmod +x build_docker.sh
+./build_docker.sh
+
+docker build -t mattes/boot2docker-vbga .
+docker run -i -t --rm mattes/boot2docker-vbga > boot2docker.iso
+```
diff --git a/build_docker.sh b/build_docker.sh
diff --git a/build_docker.sh b/build_docker.sh
@@ -22,5 +22,3 @@ write_vbox_dockerfile(){
 }
 
 write_vbox_dockerfile
-docker build -t="my-boot2docker" .
-docker run -i -t --rm my-boot2docker > boot2docker.iso
diff --git a/Dockerfile.tmpl b/Dockerfile.tmpl
@@ -1,6 +1,6 @@
 # $VBOX_VERSION should probably be something like 4.3.10 or somesuch
 # 
-FROM boot2docker/boot2docker-rootfs
+FROM boot2docker/boot2docker
 RUN apt-get install p7zip-full
 
 RUN mkdir -p /vboxguest && \
@@ -14,4 +14,10 @@ RUN mkdir -p /vboxguest && \
     cp amd64/src/vboxguest-$VBOX_VERSION/*.ko $ROOTFS/lib/modules/$KERNEL_VERSION-tinycore64 && \
     mkdir -p $ROOTFS/sbin && cp x86/lib/VBoxGuestAdditions/mount.vboxsf $ROOTFS/sbin/
 
+RUN echo "" >> $ROOTFS/etc/motd; \
+    echo "  boot2docker with VirtualBox guest additions version $VBOX_VERSION" >> $ROOTFS/etc/motd; \
+    echo "" >> $ROOTFS/etc/motd
+
 RUN depmod -a -b $ROOTFS $KERNEL_VERSION-tinycore64
+RUN /make_iso.sh
+CMD ["cat", "boot2docker.iso"]
diff --git a/build_docker.sh b/build_docker.sh
@@ -21,4 +21,6 @@ write_vbox_dockerfile(){
     fi
 }
 
-write_vbox_dockerfile
+write_vbox_dockerfile
+docker build -t="my-boot2docker" .
+docker run -i -t --rm my-boot2docker > boot2docker.iso
diff --git a/Dockerfile.tmpl b/Dockerfile.tmpl
@@ -0,0 +1,17 @@
+# $VBOX_VERSION should probably be something like 4.3.10 or somesuch
+# 
+FROM boot2docker/boot2docker-rootfs
+RUN apt-get install p7zip-full
+
+RUN mkdir -p /vboxguest && \
+    cd /vboxguest && \
+    curl -L -o vboxguest.iso http://download.virtualbox.org/virtualbox/$VBOX_VERSION/VBoxGuestAdditions_$VBOX_VERSION.iso && \
+    7z x vboxguest.iso -ir'!VBoxLinuxAdditions.run' && \
+    sh VBoxLinuxAdditions.run --noexec --target . && \
+    mkdir x86 && cd x86 && tar xvjf ../VBoxGuestAdditions-x86.tar.bz2 && cd .. && \
+    mkdir amd64 && cd amd64 && tar xvjf ../VBoxGuestAdditions-amd64.tar.bz2 && cd .. && \
+    cd amd64/src/vboxguest-$VBOX_VERSION && KERN_DIR=/linux-kernel/ make && cd ../../.. && \
+    cp amd64/src/vboxguest-$VBOX_VERSION/*.ko $ROOTFS/lib/modules/$KERNEL_VERSION-tinycore64 && \
+    mkdir -p $ROOTFS/sbin && cp x86/lib/VBoxGuestAdditions/mount.vboxsf $ROOTFS/sbin/
+
+RUN depmod -a -b $ROOTFS $KERNEL_VERSION-tinycore64
diff --git a/build_docker.sh b/build_docker.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env sh
+
+get_vbox_version(){
+    local VER
+    VER=$(VBoxManage -v | awk -F "r" '{print $1}')
+    if [ -z "$VER" ]; then
+        echo "ERROR"
+    else
+        echo "$VER"
+    fi
+
+}
+
+write_vbox_dockerfile(){
+    local VER
+    VER=$(get_vbox_version)
+    if [ ! "$LATEST_RELEASE" = "ERROR" ]; then
+        sed "s/\$VBOX_VERSION/$VER/g" Dockerfile.tmpl > Dockerfile
+    else
+        echo "WUH WOH"
+    fi
+}
+
+write_vbox_dockerfile