80 lines
5.3 KiB
Markdown
80 lines
5.3 KiB
Markdown
# Supported tags and respective `Dockerfile` links
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- [`3.10.0`, `3.10` (*3.10.0/Dockerfile*)](https://github.com/mono/docker/blob/adc7a3ec47f7d590f75a4dec0203a2103daf8db0/3.10.0/Dockerfile)
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- [`3.10.0-onbuild`, `3.10-onbuild` (*3.10.0/onbuild/Dockerfile*)](https://github.com/mono/docker/blob/adc7a3ec47f7d590f75a4dec0203a2103daf8db0/3.10.0/onbuild/Dockerfile)
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- [`3.12.1`, `3.12.0`, `3.12`, `3` (*3.12.0/Dockerfile*)](https://github.com/mono/docker/blob/adc7a3ec47f7d590f75a4dec0203a2103daf8db0/3.12.0/Dockerfile)
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- [`3.12.0-onbuild`, `3.12-onbuild`, `3-onbuild` (*3.12.0/onbuild/Dockerfile*)](https://github.com/mono/docker/blob/adc7a3ec47f7d590f75a4dec0203a2103daf8db0/3.12.0/onbuild/Dockerfile)
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- [`3.8.0`, `3.8` (*3.8.0/Dockerfile*)](https://github.com/mono/docker/blob/adc7a3ec47f7d590f75a4dec0203a2103daf8db0/3.8.0/Dockerfile)
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- [`3.8.0-onbuild`, `3.8-onbuild` (*3.8.0/onbuild/Dockerfile*)](https://github.com/mono/docker/blob/adc7a3ec47f7d590f75a4dec0203a2103daf8db0/3.8.0/onbuild/Dockerfile)
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- [`4.0.1`, `4.0.0`, `4.0`, `4`, `latest` (*4.0.0/Dockerfile*)](https://github.com/mono/docker/blob/0d3556995aa47043059d60c42321e8ccaf173363/4.0.0/Dockerfile)
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- [`4.0.0-onbuild`, `4.0-onbuild`, `4-onbuild`, `onbuild` (*4.0.0/onbuild/Dockerfile*)](https://github.com/mono/docker/blob/0d3556995aa47043059d60c42321e8ccaf173363/4.0.0/onbuild/Dockerfile)
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For more information about this image and its history, please see the [relevant manifest file (`library/mono`)](https://github.com/docker-library/official-images/blob/master/library/mono) in the [`docker-library/official-images` GitHub repo](https://github.com/docker-library/official-images).
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# What is Mono
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Sponsored by Xamarin, Mono is an open source implementation of Microsoft's .NET Framework based on the ECMA standards for C# and the Common Language Runtime. A growing family of solutions and an active and enthusiastic contributing community is helping position Mono to become the leading choice for development of cross platform applications.
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- [Mono Project homepage](http://www.mono-project.com/)
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- [http://en.wikipedia.org/wiki/Mono_(software)](http://en.wikipedia.org/wiki/Mono_%28software%29)
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# How to use this image
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This image will run stand-alone Mono console apps.
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## Create a `Dockerfile` in your Mono app project
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This example Dockerfile will run an executable called `TestingConsoleApp.exe`.
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FROM mono:3.10-onbuild
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CMD [ "mono", "./TestingConsoleApp.exe" ]
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Place this file in the root of your app, next to the `.sln` solution file. Modify the exectuable name to match what you want to run.
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This image includes `ONBUILD` triggers that adds your app source code to `/usr/src/app/source`, restores NuGet packages and compiles the app, placing the output in `/usr/src/app/build`.
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With the Dockerfile in place, you can build and run a Docker image with your app:
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docker build -t my-app .
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docker run my-app
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You should see any output from your app now.
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# Credits
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This Docker image is provided by Xamarin, for users of the Mono Project.
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Thanks to [Michael Friis](http://friism.com/) for his preliminary work.
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# Image Variants
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The `mono` images come in many flavors, each designed for a specific use case.
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## `mono:<version>`
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This is the defacto image. If you are unsure about what your needs are, you probably want to use this one. It is designed to be used both as a throw away container (mount your source code and start the container to start your app), as well as the base to build other images off of.
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## `mono:onbuild`
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This image makes building derivative images easier. For most use cases, creating a `Dockerfile` in the base of your project directory with the line `FROM mono:onbuild` will be enough to create a stand-alone image for your project.
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While the `onbuild` variant is really useful for "getting off the ground running" (zero to Dockerized in a short period of time), it's not recommended for long-term usage within a project due to the lack of control over *when* the `ONBUILD` triggers fire (see also [`docker/docker#5714`](https://github.com/docker/docker/issues/5714), [`docker/docker#8240`](https://github.com/docker/docker/issues/8240), [`docker/docker#11917`](https://github.com/docker/docker/issues/11917)).
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Once you've got a handle on how your project functions within Docker, you'll probably want to adjust your `Dockerfile` to inherit from a non-`onbuild` variant and copy the commands from the `onbuild` variant `Dockerfile` (moving the `ONBUILD` lines to the end and removing the `ONBUILD` keywords) into your own file so that you have tighter control over them and more transparency for yourself and others looking at your `Dockerfile` as to what it does. This also makes it easier to add additional requirements as time goes on (such as installing more packages before performing the previously-`ONBUILD` steps).
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# License
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This Docker Image is licensed with the Expat License. See the [Mono Project licensing FAQ](http://www.mono-project.com/docs/faq/licensing/) for details on how Mono and associated libraries are licensed.
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# Supported Docker versions
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This image is officially supported on Docker version 1.7.0.
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Support for older versions (down to 1.0) is provided on a best-effort basis.
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# User Feedback
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Please report issues on the [GitHub project](https://github.com/mono/docker).
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