Add CI

.github/workflows/build.yml

@@ -0,0 +1,43 @@
+name: Build
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+jobs:
+  build:
+    timeout-minutes: 20
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9.12.3
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20.18.0'
+          cache: 'pnpm'
+          cache-dependency-path: 'frontend/pnpm-lock.yaml'
+
+      - name: Install dependencies
+        working-directory: ./frontend
+        run: pnpm install
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Build with gradle
+        run: ./gradlew shadowJar
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: balloons.jar
+          path: build/libs/balloons-*.jar
+          retention-days: 14
+          compression-level: 0

README.md

@@ -71,9 +71,7 @@ gradle shadowJar
 
 ## TODO
 
-- [ ] Frontend: fix space between links
-- [ ] Build under newer Javas
-- [ ] CI
+- [ ] Frontend: detect connection errors
 - [ ] Tests
 - [ ] Some docs on how to develop it
 - [ ] Automate JWT secret generation 

settings.gradle.kts

@@ -1,3 +1,7 @@
+plugins {
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
+}
+
 rootProject.name = "balloons"
 
 include(":frontend")