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nmattianmattia
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wai-lambda: prepare for release
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‎infra/nix/default.nix‎

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@@ -12,18 +12,21 @@ with rec
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with
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{ mkPackage = name: path:
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{ "${name}" =
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pkgs'.haskell.lib.disableLibraryProfiling (
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pkgs'.haskell.lib.disableExecutableProfiling (
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pkgs'.haskell.lib.failOnAllWarnings (
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with pkgs'.haskell.lib;
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disableLibraryProfiling (
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disableExecutableProfiling (
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failOnAllWarnings (
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super.callCabal2nix name (pkgs'.lib.cleanSource path) {}
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)));
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};
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};
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super //
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mkPackage "deckdeckgo-handler" ../handler //
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mkPackage "wai-lambda" ../wai-lambda ;
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(
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with { wai-lambda = pkgs'.callPackage ../wai-lambda/nix/packages.nix {}; };
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mkPackage "wai-lambda" wai-lambda.wai-lambda-source
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);
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};
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normalHaskellPackages = pkgsStatic.pkgsMusl.haskellPackages.override
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(haskellOverride pkgsStatic.pkgsMusl);

‎infra/wai-lambda/LICENSE‎

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Copyright (c) 2017 Nicolas Mattia
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎infra/wai-lambda/assets/wai-lambda-small.png‎

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‎infra/wai-lambda/default.nix‎

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with { pkgs = import ./nix {}; };
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pkgs.callPackage ./nix/packages.nix {}

‎infra/wai-lambda/examples/Hello.hs‎

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{-# LANGUAGE OverloadedStrings #-}
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import Network.Wai
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import Network.HTTP.Types
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import Network.Wai.Handler.Lambda (run)
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app :: Application
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app _ respond = do
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putStrLn "I've done some IO here"
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respond $ responseLBS
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status200
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[("Content-Type", "text/plain")]
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"Hello, Web!"
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main :: IO ()
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main = run app

‎infra/wai-lambda/nix/default.nix‎

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{ sources ? import ./sources.nix }:
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with
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{ overlay = _: pkgs:
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{ inherit (import sources.niv {}) niv;
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packages = import ./packages.nix { inherit (pkgs) haskell lib haskellPackages; };
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};
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};
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import sources.nixpkgs
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{ overlays = [ overlay ] ; config = {}; }

‎infra/wai-lambda/nix/packages.nix‎

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{ haskell
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, haskellPackages
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, lib
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, writeText
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}:
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rec
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{ wai-lambda-sdist = haskell.lib.sdistTarball wai-lambda;
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wai-lambda = haskellPackages.callCabal2nix "wai-lambda" wai-lambda-source {};
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wai-lambda-source = lib.sourceByRegex ../.
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[ "^package.yaml$"
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"^src.*"
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"^examples.*"
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"^README.md$"
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"^LICENSE$"
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];
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wai-lambda-version-file = writeText "version" wai-lambda.version;
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}

‎infra/wai-lambda/nix/sources.json‎

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{
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"nixpkgs": {
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"url": "https://github.com/NixOS/nixpkgs/archive/88ae8f7d55efa457c95187011eb410d097108445.tar.gz",
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"owner": "NixOS",
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"branch": "nixos-18.09",
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"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
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"repo": "nixpkgs",
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"sha256": "0qvpzmphdcc80xp88h0ciiia6w25010piwxvslv3b5q6s9m3f6fm",
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"description": "Nixpkgs/NixOS branches that track the Nixpkgs/NixOS channels",
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"rev": "88ae8f7d55efa457c95187011eb410d097108445"
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},
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"niv": {
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"homepage": "https://github.com/nmattia/niv",
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"url": "https://github.com/nmattia/niv/archive/7f72d723d00fcc3f177138acbfcf9d581beee9e1.tar.gz",
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"owner": "nmattia",
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"branch": "master",
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"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
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"repo": "niv",
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"sha256": "0177xhz55519xrak1fmv3gilbg8330lmbfkbizkc8zgp58skcmjw",
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"description": "Easy dependency management for Nix projects",
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"rev": "7f72d723d00fcc3f177138acbfcf9d581beee9e1"
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}
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}

‎infra/wai-lambda/nix/sources.nix‎

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# A record, from name to path, of the third-party packages
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with
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{
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sources = builtins.fromJSON (builtins.readFile ./sources.json);
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# fetchTarball version that is compatible between all the sources of Nix
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fetchTarball =
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{ url, sha256 }:
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if builtins.lessThan builtins.nixVersion "1.12" then
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builtins.fetchTarball { inherit url; }
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else
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builtins.fetchTarball { inherit url sha256; };
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mapAttrs = builtins.mapAttrs or
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(f: set: with builtins;
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listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set)));
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};
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# NOTE: spec must _not_ have an "outPath" attribute
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mapAttrs (_: spec:
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if builtins.hasAttr "outPath" spec
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then abort
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"The values in sources.json should not have an 'outPath' attribute"
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else
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if builtins.hasAttr "url" spec && builtins.hasAttr "sha256" spec
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then
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spec //
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{ outPath = fetchTarball { inherit (spec) url sha256; } ; }
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else spec
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) sources

‎infra/wai-lambda/package.yaml‎

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name: wai-lambda
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version: 0.1.0.0
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author: Nicolas Mattia <[email protected]>
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maintainer: Nicolas Mattia <[email protected]>
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copyright: (c) 2019 David Dal Busco and Nicolas Mattia
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license: MIT
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license-file: LICENSE
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category: Web
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synopsis: Haskell Webapps on AWS Lambda
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github: deckgo/wai-lambda
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description: |
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![wai-lambda](https://github.com/deckgo/wai-lambda/raw/master/assets/wai-lambda-small.png)
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Turn any [wai](https://www.stackage.org/package/wai) webapp ( [spock](https://www.spock.li/), [servant](https://docs.servant.dev/en/stable/), etc) into a handler for AWS [Lambda](https://aws.amazon.com/lambda/) and [API Gateway](https://aws.amazon.com/api-gateway/) requests.
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Works with any Lambda environment (nodejs, python, etc). Find out more in the [README](https://github.com/deckgo/wai-lambda#wai-lambda---haskell-webapps-on-aws-lambda).
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extra-source-files:
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- README.md
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library:
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source-dirs: ./src
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dependencies:
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- aeson
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- base
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- base < 5
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- binary
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- bytestring
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- case-insensitive
@@ -24,5 +38,11 @@ dependencies:
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- vault
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- wai
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executable:
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name: wai-lambda-hello
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main: examples/Hello.hs
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dependencies:
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- wai-lambda
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ghc-options:
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- -Wall

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