fix

Signed-off-by: Christine Dodrill <me@christine.website>

default.nix

@@ -1,20 +1,26 @@
-{ system ? builtins.currentSystem }:
-
+{ sources ? import ./nix/sources.nix, pkgs ? import <nixpkgs> { } }:
 let
-  sources = import ./nix/sources.nix;
-  pkgs = import <nixpkgs> { };
-  printerfacts = import ./printerfacts.nix { inherit pkgs sources; };
-
-  name = "xena/printerfacts";
-  tag = "latest";
-
-in pkgs.dockerTools.buildLayeredImage {
-  inherit name tag;
-  contents = [ printerfacts ];
-
-  config = {
-    Cmd = [ "${printerfacts}/bin/printerfacts" ];
-    Env = [ "RUST_LOG=info" ];
-    WorkingDir = "/";
+  srcNoTarget = dir:
+    builtins.filterSource
+    (path: type: type != "directory" || builtins.baseNameOf path != "target")
+    dir;
+  naersk = pkgs.callPackage sources.naersk { };
+  gruvbox-css = pkgs.callPackage sources.gruvbox-css { };
+  src = srcNoTarget ./.;
+  pfacts = naersk.buildPackage {
+    inherit src;
+    remapPathPrefix = true;
   };
+in pkgs.stdenv.mkDerivation {
+  inherit (pfacts) name;
+  inherit src;
+  phases = "installPhase";
+
+  installPhase = ''
+    mkdir -p $out/static
+
+    cp -rf $src/templates $out/templates
+    cp -rf ${pfacts}/bin $out/bin
+    cp -rf ${gruvbox-css}/gruvbox.css $out/static/gruvbox.css
+  '';
 }

docker.nix

@@ -0,0 +1,20 @@
+{ system ? builtins.currentSystem }:
+
+let
+  sources = import ./nix/sources.nix;
+  pkgs = import <nixpkgs> { };
+  printerfacts = import ./default.nix { inherit pkgs sources; };
+
+  name = "xena/printerfacts";
+  tag = "latest";
+
+in pkgs.dockerTools.buildLayeredImage {
+  inherit name tag;
+  contents = [ printerfacts ];
+
+  config = {
+    Cmd = [ "${printerfacts}/bin/printerfacts" ];
+    Env = [ "RUST_LOG=info" ];
+    WorkingDir = "/";
+  };
+}

printerfacts.nix

@@ -1,26 +0,0 @@
-{ sources ? import ./nix/sources.nix, pkgs ? import <nixpkgs> { } }:
-let
-  srcNoTarget = dir:
-    builtins.filterSource
-    (path: type: type != "directory" || builtins.baseNameOf path != "target")
-    dir;
-  naersk = pkgs.callPackage sources.naersk { };
-  gruvbox-css = pkgs.callPackage sources.gruvbox-css { };
-  src = srcNoTarget ./.;
-  pfacts = naersk.buildPackage {
-    inherit src;
-    remapPathPrefix = true;
-  };
-in pkgs.stdenv.mkDerivation {
-  inherit (pfacts) name;
-  inherit src;
-  phases = "installPhase";
-
-  installPhase = ''
-    mkdir -p $out/static
-
-    cp -rf $src/templates $out/templates
-    cp -rf ${pfacts}/bin $out/bin
-    cp -rf ${gruvbox-css}/gruvbox.css $out/static/gruvbox.css
-  '';
-}

shell.nix

@@ -1,6 +1,5 @@
 let
   pkgs = import <nixpkgs> { };
-  dhall = import <dhall> { };
 in pkgs.mkShell {
   buildInputs = with pkgs; [
     rustc
@@ -8,9 +7,6 @@ in pkgs.mkShell {
     cargo-watch
     rls
     rustfmt
-
-    dhall.linux-dhall
-    dhall.linux-dhall-yaml
   ];
 
   RUST_LOG = "info";

src/main.rs

@@ -57,8 +57,12 @@ async fn main() -> anyhow::Result<()> {
         .and_then(index);
 
     let not_found_handler = warp::any().and_then(not_found);
+    let port = std::env::var("PORT")
+        .unwrap_or("5000".into())
+        .parse::<u16>()
+        .expect("PORT to be a string-encoded u16");
 
-    log::info!("listening on port 5000");
+    log::info!("listening on port {}", port);
     warp::serve(
         fact_handler
             .or(index_handler)
@@ -66,7 +70,7 @@ async fn main() -> anyhow::Result<()> {
             .or(not_found_handler)
             .with(warp::log(APPLICATION_NAME)),
     )
-    .run(([0, 0, 0, 0], 5000))
+    .run(([0, 0, 0, 0], port))
     .await;
     Ok(())
 }