64 lines
1.9 KiB
Markdown
64 lines
1.9 KiB
Markdown
# What is Haxe?
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[Haxe](https://haxe.org) is an open source toolkit based on a modern, high level, strictly typed programming language, a cross-compiler, a complete cross-platform standard library and ways to access each platform's native capabilities.
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The Haxe compiler can output a number of source and binary files. As of Haxe 3.4.0-rc.1, the Haxe compiler can target JavaScript, Java, C#, C++, Python, PHP, Flash SWF, ActionScript 3, Lua, and Neko.
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%%LOGO%%
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# About this image
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This image ships a minimal Haxe toolkit:
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- the `haxe` compiler with its standard library
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- the `haxelib` library manager
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- the `neko` virtual machine
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# How to use this image
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The most straightforward way to use this image is to use a Haxe container as both the build and runtime environment. In your `Dockerfile`, writing something along the lines of the following will compile and run your project:
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```dockerfile
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FROM %%IMAGE%%:3.4
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RUN mkdir -p /usr/src/app
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WORKDIR /usr/src/app
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# install dependencies
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COPY *.hxml /usr/src/app/
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RUN yes | haxelib install all
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# compile the project
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COPY . /usr/src/app
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RUN haxe build.hxml
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# run the output when the container starts
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CMD ["neko", "Main.n"]
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```
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Then, build and run the Docker image:
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```console
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$ docker build -t my-haxe-app .
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$ docker run -it --rm --name my-running-app my-haxe-app
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```
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## Using the onbuild variants
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There are `onbuild` variants that include multiple `ONBUILD` triggers to perform all of the steps in the above Dockerfile, except there is no `CMD` instruction for running the compilation output.
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Rewriting the above Dockerfile with `%%IMAGE%%:3.4-onbuild`, we will get:
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```dockerfile
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FROM %%IMAGE%%:3.4-onbuild
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# run the output when the container starts
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CMD ["neko", "Main.n"]
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```
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The `onbuild` variants assume the main compilation hxml file is named `build.hxml`. To use another hxml file, set the `BUILD_HXML` build argument during build:
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```console
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$ docker build -t my-haxe-app --build-arg BUILD_HXML=compile.hxml .
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```
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