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When we decode map elements, either from our own data, or when importing from elsewhere, maps that don't contain any keys aren't created automatically, so we need to check, and potentially create, maps when we want to add something to them. Signed-off-by: Nalin Dahyabhai <nalin@redhat.com> Closes: #114 Approved by: rhatdan
buildah - a tool for building OCI images
Note: this package is in alpha.
The buildah package provides a command line tool which can be used to
- create a working container, either from scratch or using an image as a starting point
- mount a working container's root filesystem for manipulation
- unmount a working container's root filesystem
- use the updated contents of a container's root filesystem as a filesystem layer to create a new image
- delete a working container or an image
Installation notes
Prior to installing buildah, install the following packages on your linux distro:
- make
- golang (Requires version 1.8.1 or higher.)
- bats
- btrfs-progs-devel
- device-mapper-devel
- gpgme-devel
- libassuan-devel
- git
- bzip2
- go-md2man
- skopeo-containers
In Fedora, you can use this command:
dnf -y install \
make \
golang \
bats \
btrfs-progs-devel \
device-mapper-devel \
gpgme-devel \
libassuan-devel \
git \
bzip2 \
go-md2man \
skopeo-containers
Then to install buildah follow the steps in this example:
mkdir ~/buildah
cd ~/buildah
export GOPATH=`pwd`
git clone https://github.com/projectatomic/buildah ./src/github.com/projectatomic/buildah
cd ./src/github.com/projectatomic/buildah
make
make install
buildah --help
Commands
| Command | Description |
|---|---|
| buildah-add(1) | Add the contents of a file, URL, or a directory to the container. |
| buildah-bud(1) | Build an image using instructions from Dockerfiles. |
| buildah-commit(1) | Create an image from a working container. |
| buildah-config(1) | Update image configuration settings. |
| buildah-containers(1) | List the working containers and their base images. |
| buildah-copy(1) | Copies the contents of a file, URL, or directory into a container's working directory. |
| buildah-from(1) | Creates a new working container, either from scratch or using a specified image as a starting point. |
| buildah-images(1) | List images in local storage. |
| buildah-inspect(1) | Inspects the configuration of a container or image. |
| buildah-mount(1) | Mount the working container's root filesystem. |
| buildah-rm(1) | Removes one or more working containers. |
| buildah-rmi(1) | Removes one or more images. |
| buildah-run(1) | Run a command inside of the container. |
| buildah-tag(1) | Add an additional name to a local image. |
| buildah-umount(1) | Unmount a working container's root file system. |
Future goals include:
- more CI tests
- additional CLI commands (?)