feat(backend): switch to Java 23

Author: PascalHonegger

.idea/misc.xml

@@ -13,7 +13,7 @@ application {
 }
 
 kotlin {
-    jvmToolchain(21)
+    jvmToolchain(23)
 }
 
 dependencies {

Backend/bootstrap/build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 }
 
 kotlin {
-    jvmToolchain(21)
+    jvmToolchain(23)
 }
 
 dependencies {

Backend/data-access/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 }
 
 kotlin {
-    jvmToolchain(21)
+    jvmToolchain(23)
 }
 
 dependencies {

Backend/domain/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 }
 
 kotlin {
-    jvmToolchain(21)
+    jvmToolchain(23)
 }
 
 dependencies {

Backend/security/build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 }
 
 kotlin {
-    jvmToolchain(21)
+    jvmToolchain(23)
 }
 
 dependencies {

Backend/web-api/build.gradle.kts

@@ -5,13 +5,13 @@ WORKDIR /home/node/src
 RUN pnpm i --frozen-lockfile
 RUN pnpm build
 
-FROM eclipse-temurin:21-jdk AS buildBackend
+FROM eclipse-temurin:23-jdk-alpine AS buildBackend
 COPY . /home/gradle/src
 COPY --from=buildFrontend /home/node/src/dist /home/gradle/src/Backend/bootstrap/src/main/resources/static
 WORKDIR /home/gradle/src
 RUN ./gradlew shadowJar --no-daemon
 
-FROM eclipse-temurin:21-jre
+FROM eclipse-temurin:23-jre-alpine
 EXPOSE 8080:8080
 RUN mkdir /app
 COPY --from=buildBackend /home/gradle/src/Backend/bootstrap/build/libs/*.jar /app/jasstracker.jar

Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jre
+FROM eclipse-temurin:23-jre-alpine
 EXPOSE 8080:8080
 RUN mkdir /app
 COPY ./Backend/bootstrap/build/libs/*.jar /app/jasstracker.jar

DockerfileBuiltLocally

@@ -11,7 +11,7 @@ plugins {
 
 dependencyResolutionManagement {
     versionCatalogs {
-        val kotlin = "2.0.21"
+        val kotlin = "2.1.0-Beta2"
         val mockk = "1.13.13"
         val ktor = "3.0.1"
         val logback = "1.5.12"