71 lines
2.8 KiB
Markdown
71 lines
2.8 KiB
Markdown
# servant - A Type-Level Web DSL
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## Getting Started
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We have a [tutorial](http://docs.servant.dev/en/stable/tutorial/index.html) that
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introduces the core features of servant. After this article, you should be able
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to write your first servant webservices, learning the rest from the haddocks'
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examples.
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The core documentation can be found [here](http://docs.servant.dev/).
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Other blog posts, videos and slides can be found on the
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[website](http://www.servant.dev/).
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If you need help, drop by the IRC channel (#haskell-servant on libera.chat) or [mailing
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list](https://groups.google.com/forum/#!forum/haskell-servant).
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## Contributing
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See `CONTRIBUTING.md`
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## Release process outline (by phadej)
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- Update changelog and bump versions in `master`
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- `git log --oneline v0.12.. | grep 'Merge pull request'` is a good starting point (use correct previous release tag)
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- Create a release branch, e.g. `release-0.13`
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- Release branch is useful for backporting fixes from `master`
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- Smoke test in [`servant-universe`](https://github.com/phadej/servant-universe)
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- `git submodule foreach git checkout master` and `git submodule foreach git pull` to get newest of everything.
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- `cabal new-build --enable-tests all` to verify that everything builds, and `cabal new-test all` to run tests
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- It's a good idea to separate these steps, as tests often pass, if they compile :)
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- See `cabal.project` to selectively `allow-newer`
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- If some packages are broken, on your discretisation there are two options:
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- Fix them and make PRs: it's a good idea to test against older `servant` version too.
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- Temporarily comment out broken package
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- If you make a commit for `servant-universe`, you can use it as submodule in private projects to test even more
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- When ripples are cleared out:
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- `git tag -s` the release
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- `git push --tags`
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- `cabal sdist` and `cabal upload`
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## TechEmpower framework benchmarks
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We develop and maintain the servant TFB entry in https://github.com/haskell-servant/FrameworkBenchmarks/
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To verify (i.e. compile and test that it works)
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```sh
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./tfb --mode verify --test servant servant-beam servant-psql-simple --type json plaintext db fortune
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```
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To compare with `warp`
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```sh
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./tfb --mode benchmark --test warp servant servant-beam servant-psql-simple --type json plaintext db fortune
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```
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To compare with `reitit` (Clojure framework)
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```sh
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./tfb --mode benchmark --test reitit reitit-async reitit-jdbc servant servant-beam servant-psql-simple --type json plaintext db fortune
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```
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You can see the visualised results at https://www.techempower.com/benchmarks/#section=test
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## Nix
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A developer shell.nix file is provided in the `nix` directory
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See [nix/README.md](nix/README.md)
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