Upgrade JDK to 21

Signed-off-by: Arnau Mora <[email protected]>

Author: ArnyminerZ

.github/workflows/codeql.yml

@@ -58,11 +58,11 @@ jobs:
     #   If the Autobuild fails above, remove it and uncomment the following three lines.
     #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
 
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
-        distribution: 'temurin'
+        java-version: '21'
+        distribution: 'corretto'
     - name: Set up Gradle
       uses: gradle/actions/setup-gradle@v4
     - name: Validate Gradle wrapper

.github/workflows/test.yml

@@ -31,11 +31,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
-          distribution: 'temurin'
+          java-version: '21'
+          distribution: 'corretto'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
       - name: Validate Gradle wrapper
@@ -57,11 +57,11 @@ jobs:
     if: github.event_name == 'pull_request'
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
-          distribution: 'temurin'
+          java-version: '21'
+          distribution: 'corretto'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
       - name: Validate Gradle wrapper

Dockerfile

@@ -1,4 +1,4 @@
-FROM amazoncorretto:17-alpine AS build
+FROM amazoncorretto:21-alpine AS build
 COPY . /usr/src/app/
 WORKDIR /usr/src/app
 COPY --chown=gradle:gradle . /home/gradle/src
@@ -7,7 +7,7 @@ WORKDIR /home/gradle/src
 # and boot JAR by default.
 RUN ./gradlew buildFatJar --no-daemon
 
-FROM amazoncorretto:17-alpine AS runtime
+FROM amazoncorretto:21-alpine AS runtime
 EXPOSE 8080:8080
 RUN apk add curl
 RUN mkdir /app

build.gradle.kts

@@ -68,7 +68,7 @@ tasks.test {
 }
 
 kotlin {
-    jvmToolchain(17)
+    jvmToolchain(21)
 
     sourceSets {
         all {