Docker Ubuntu

Customised Ubuntu base image.

Installation

Builds of the image are available on Docker Hub.

docker pull dockeirorock/ubuntu

Alternatively you can build the image yourself.

git clone https://github.com/dockeiro/docker-ubuntu.git && \
cd docker-ubuntu && \
ARCH=$(dpkg --print-architecture)&& \
echo ARCH loaded: ${ARCH} && \
docker build --no-cache \
--build-arg IMAGE=dockeirorock/ubuntu \
--build-arg BUILD_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ") \
--build-arg VERSION=$(cat VERSION) \
--build-arg VCS_REF=$(git rev-parse --short HEAD) \
--build-arg VCS_URL=$(git config --get remote.origin.url) \
--build-arg ARCH=${ARCH} \
--tag dockeirorock/ubuntu:$(cat VERSION)-${ARCH} \
--rm .

Configuration

• /sbin/entrypoint.sh is defined as the entrypoint
• /sbin/init.d/*.sh are sourced if present
• Use for example CMD [ "/sbin/init.sh" ] in a child image to run your process
• Docker environment variables
  • INIT_DEBUG=true enable verbose output
  • INIT_TRACE=true pass the main process to strace (use along with the Docker flag --privileged)
  • INIT_RUN_AS=root start the main process as a privileged user
  • INIT_GOSU=true make use of gosu (default)

TODO

• None for now