myriad/README.md

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# Myriad
Arbitrary code execution server using Docker.
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## Download Pre-Built Binary
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Check the `Releases` tab for pre-built binaries.
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The languages folder and an example configuration are also included.
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## Installation from Source
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You can use either `stack` or `cabal`.
- `stack` should be >= 2.1.1, `cabal` should be >= 2.4.0.0.
- GHC 8.8.3 is required if not already installed by `stack` or if using `cabal`.
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Make sure the place where `stack` or `cabal` places binaries is in your PATH.
- For `stack`, you can get it with `stack path --local-bin`.
- For `cabal`, you should find it in `$HOME/.cabal/bin` (Linux) or `%APPDATA%\cabal\bin` (Windows).
Run `stack install` or `cabal new-install` inside the project folder.
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Or, to build within the project, run `stack build` or `cabal new-build`.
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## Configuration
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Make sure the configuration is filled out, see `config.example.yaml` for an example.
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Run `myriad` (or `stack run` or `cabal new-run` if you built within the project) to start the server.
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The config and languages folder will default to `./config.yaml` and `./languages`.
You can configure this with `--config` and `--languages`.
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## Endpoints
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### **GET** `/languages`
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List of enabled languages.
Example response:
```json
["haskell", "javascript"]
```
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### **POST** `/eval`
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Evaluate code.
JSON payload with `language` and `code` keys.
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The `language` is as in the name of a subfolder in the `languages` directory.
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Example payload:
```json
{ "language": "haskell", "code": "main = print (1 + 1)" }
```
Example response:
```json
{ "result": "2\n" }
```
Errors with 404 if `language` is not found, `504` if evaluation timed out, or `500` if evaluation failed for other reasons.
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### **GET** `/containers`
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List of containers being handled by Myriad.
### **POST** `/cleanup`
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Kill all containers, giving back the names of the containers killed.