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https://github.com/augustohp/ship
Aids you creating a `Dockerfile` by transforming its (interactive shell) history into `RUN` instructions
https://github.com/augustohp/ship
developer-tools docker posix-sh shell
Last synced: about 2 months ago
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Aids you creating a `Dockerfile` by transforming its (interactive shell) history into `RUN` instructions
- Host: GitHub
- URL: https://github.com/augustohp/ship
- Owner: augustohp
- License: mit
- Created: 2019-09-01T21:16:24.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2019-10-25T15:18:44.000Z (almost 5 years ago)
- Last Synced: 2024-05-02T12:40:04.356Z (5 months ago)
- Topics: developer-tools, docker, posix-sh, shell
- Language: Shell
- Homepage:
- Size: 8.79 KB
- Stars: 54
- Watchers: 3
- Forks: 4
- Open Issues: 4
-
Metadata Files:
- Readme: README.md
- License: LICENSE.txt
Awesome Lists containing this project
README
# SHIP: Shell Helper To Initialize (Dockerfiles) in a new Project
Let's create a new image, on an existing repository, to install [bash][]:
[bash]: https://www.gnu.org/software/bash/
host $ cd
host $ ship alpine:latest
container $ apk add --no-cache bash
container $ exit
Dockerfile written successfully!
host $ cat Dockerfile
# Generated by https://github.com/augustohp/ship
FROM alpine:latest
LABEL maintainer="Augusto Pascutti "
RUN apk add --no-cache bash
What happened?
1. The container specified was executed in iterative mode
1. `bash` (prefered) or `ash` shell are detected and history configured
1. The current directory was mounted at `/home/developer`
1. The `history` of the container was converted to `RUN` instructions in the `Dockefile`
1. Your [Git][] credentials become `LABEL maintainer`, if they are available
Supported images are (other images might work if they have `bash` available):
* alpine
* ubuntu/debian
* fedora
## Installation
This is a single-file script, you can rename it freely to anything memorable for
you. An easy one-line install is available through [sinister][]:
[sinister]: https://github.com/jamesqo/sinister
sh <(curl -sSL https://git.io/fjjvu) --name ship --local --chmod 755 --url https://git.io/fjhO5
The above one-liner will install the script just for the current user. If you
want it globally, remove `--local` option.
You should be able to execute `ship` now, for example `ship --help`:
Usage: ship [-o ] [-f]
ship <-d | --detect-shell>
ship <-h | --help>
ship <-v | --version>
Eases the creation of a Dockerfile by transforming the history
into RUN instructions.
Arguments:
image The name of Dockerimage to be executed.
The image must have bash installed.
Options:
-o | --out The name of the Dockerfile to be creared.
Default: Dockerfile.
-f | --force Re-creates Dockerfile if it
already exists.
-d | --detect-shell Outputs the shell available in the image.
Shells tested: bash ash
**Requirements**, trying to be minimal, are:
* [Docker][]
* If [Git][] is available, you get the `maintainer` label in the `Dockerfile`
* A [POSIX (compatible) Shell][posix] (`bash`, for example)
[posix]: https://unix.stackexchange.com/questions/58249/what-is-difference-between-posix-bash-and-other-shells-for-scripting
[docker]: https://docs.docker.com/install/
[git]: https://git-scm.com
## Development
There is a `Makefile` to automate checks on the script:
* `make lint` runs [shellcheck][]
* `make test` runs [bats][] tests
[shellcheck]: https://github.com/koalaman/shellcheck
[bats]: https://github.com/sstephenson/bats
Feel free to hack the `ship` script. It uses `sh` not `bash` to run, so try to
avoid [bashisms][]. Almost everything inside the script is on a function to be
friendly even if you've never done any shell-scripting before.
[bashisms]: https://mywiki.wooledge.org/Bashism
Please, feel free to report bugs, ideas or feature requests through an [issue][].
[issue]: https://github.com/augustohp/ship/issues/new