feat: build job

.github/workflows/build.yml

@@ -0,0 +1,20 @@
+name: "Build."
+on:
+  pull_request:
+  push:
+jobs:
+  build-game-server:
+    name: Build Game Server
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: cachix/install-nix-action@v22
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+    - run: |
+        nix develop
+        cd game_server
+        lein uberjar
+        java -jar target/game_server-*standalone*&
+        sleep 5
+        curl -f http://localhost:3000

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: "Test"
+name: "Test."
 on:
   pull_request:
   push:

flake.nix

@@ -13,7 +13,10 @@
         {
           devShells.default = pkgs.mkShell {
             name = "MFC Shell";
-            buildInputs = with pkgs; [ clojure leiningen ];
+            buildInputs = with pkgs; [ 
+              clojure leiningen 
+              curl openjdk 
+            ];
           };
         } 
       );