https://github.com/keplersj/dockerfile.cr

Dockerfile Parsing Library written in Crystal
https://github.com/keplersj/dockerfile.cr

Last synced: 3 months ago
JSON representation

Dockerfile Parsing Library written in Crystal

• Host: GitHub
• URL: https://github.com/keplersj/dockerfile.cr
• Owner: keplersj
• License: mit
• Created: 2016-06-30T05:25:26.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2016-07-02T02:46:58.000Z (over 8 years ago)
• Last Synced: 2024-06-22T00:31:30.074Z (5 months ago)
• Language: Crystal
• Size: 34.2 KB
• Stars: 3
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• awesome-crystal - dockerfile.cr - Dockerfile Parsing Library (Data Formats)

README

        
dockerfile.cr

=============

[![Travis master](https://img.shields.io/travis/keplersj/dockerfile.cr/master.svg?maxAge=2592000?style=flat-square)](https://travis-ci.org/keplersj/dockerfile.cr)

Dockerfile parser library, ported from [@yurinnick](https://github.com/yurinnick)'s [Ruby library](https://github.com/yurinnick/ruby-dockerfile-parser).

## Installation

Add this to your application's `shard.yml`:

```yaml

dependencies:

  dockerfile:

    github: keplersj/dockerfile.cr

```

## Usage

example.cr

```crystal

require 'dockerfile'

puts DockerfileParser.load('Dockerfile')

```

Dockerfile

```Dockerfile

FROM debian:jessie

MAINTAINER Nikolay Yurin 

RUN apt-get update && \

    apt-get install -y nginx

RUN rm -rf /var/lib/apt/lists/* && \

    chown -R www-data:www-data /var/lib/nginx

VOLUME /var/www/html

WORKDIR /etc/nginx

COPY site-example.conf /etc/nginx/sites-available/site-example.conf

COPY index.html.tmpl /var/www/html/index.html

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]

```

output

```crystal

[

    {command: "FROM",       params: ["debian", "jessie"]},

    {command: "MAINTAINER", params: "Nikolay Yurin "},

    {command: "RUN",        params: [

                              ["apt-get", "update"],["&"],

                              ["apt-get", "install", "-y", "nginx"]]},

    {command: "RUN",        params: [

                              ["rm", "-rf", "/var/lib/apt/lists/*"],

                              ["&"],

                              ["chown", "-R", "www-data:www-data", "/var/lib/nginx"]]},

    {command: "VOLUME",     params: "/var/www/html"},

    {command: "WORKDIR",    params: "/etc/nginx"},

    {command: "COPY",       params: {src: "site-example.conf",

                                       dst: "/etc/nginx/sites-available/site-example.conf"}},

    {command: "COPY",       params: {src: "index.html.tmpl",

                                       dst: "/var/www/html/index.html"}},

    {command: "EXPOSE",     params: "80"},

    {command: "CMD",        params: ["nginx", "-g", "daemon off;"]}

]

```

## Contributing

1. Fork it (https://github.com/keplersj/dockerfile.cr/fork)

2. Create your feature branch (`git checkout -b my-new-feature`)

3. Commit your changes (`git commit -am 'Add some feature'`)

4. Push to the branch (`git push origin my-new-feature`)

5. Create a new Pull Request

## Contributors

- [@yurinnick](https://github.com/yurinnick) Nikolay Yurin - creator

- [@keplersj](https://github.com/keplersj) Kepler Sticka-Jones - maintainer, ported to Crystal