Switch to Azul JDK and Alpine as base image

Author: MartelliEnrico

.github/workflows/unit-test.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v4
         with:
-          distribution: temurin
+          distribution: zulu
           java-version: 24
 
       - name: Setup project and upload dependency graph

Dockerfile

@@ -1,23 +1,27 @@
-FROM eclipse-temurin:24-alpine AS builder
+FROM azul/zulu-openjdk-alpine:24 AS builder
 
 # bump: libwebp /LIBWEBP_VERSION=([\d.]+)/ git:https://chromium.googlesource.com/webm/libwebp.git|^1
 # bump: libwebp after ./hashupdate Dockerfile LIBWEBP $LATEST
 ARG LIBWEBP_VERSION=1.5.0
-ARG LIBWEBP_URL="https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-$LIBWEBP_VERSION-linux-x86-64.tar.gz"
 ARG LIBWEBP_SHA256=f4bf49f85991f50e86a5404d16f15b72a053bb66768ed5cc0f6d042277cc2bb8
+ARG LIBWEBP_FILE="libwebp-$LIBWEBP_VERSION-linux-x86-64.tar.gz"
+ARG LIBWEBP_URL="https://storage.googleapis.com/downloads.webmproject.org/releases/webp/$LIBWEBP_FILE"
 
 WORKDIR /app
-RUN apk --no-cache add curl tar && \
-    curl -L --fail --retry 3 --retry-delay 5 "$LIBWEBP_URL" -o libwebp.tar.gz && \
-    echo "$LIBWEBP_SHA256 libwebp.tar.gz" | sha256sum -c - && \
-    tar -xzf libwebp.tar.gz --one-top-level=libwebp --strip-components=1
+RUN apk --no-cache add binutils curl tar
+RUN curl -L --fail --retry 3 --retry-delay 5 "$LIBWEBP_URL" -O && \
+    echo "$LIBWEBP_SHA256 $LIBWEBP_FILE" | sha256sum -c - && \
+    tar -xzf "$LIBWEBP_FILE" --one-top-level=libwebp --strip-components=1 && \
+    rm "$LIBWEBP_FILE"
+
+ENV GRADLE_OPTS="-Dorg.gradle.daemon=false"
 COPY settings.gradle build.gradle gradlew ./
 COPY gradle ./gradle
-RUN --mount=type=cache,target=/home/gradle/.gradle/caches ./gradlew dependencies --no-daemon
+RUN --mount=type=cache,target=/home/gradle/.gradle/caches ./gradlew dependencies
 COPY . .
-RUN ./gradlew runtime --no-daemon
+RUN ./gradlew runtime
 
-FROM gcr.io/distroless/base-nossl:nonroot AS bot
+FROM alpine AS bot
 
 # bump: ffmpeg /static-ffmpeg:([\d.]+)/ docker:mwader/static-ffmpeg|~7.0
 COPY --from=mwader/static-ffmpeg:7.0.2 /ffmpeg /usr/local/bin/

build.gradle

@@ -45,6 +45,7 @@ description = 'Telegram bot to convert medias in the format required to be used
 java {
     toolchain {
         languageVersion = JavaLanguageVersion.of(24)
+        vendor = JvmVendorSpec.AZUL
     }
 }
 
@@ -67,7 +68,7 @@ jacocoTestReport {
     reports {
         html.required = false
         xml.required = true
-        xml.outputLocation = file(".qodana/code-coverage/report.xml")
+        xml.outputLocation = file('.qodana/code-coverage/report.xml')
     }
 
     afterEvaluate {
@@ -94,7 +95,7 @@ shadowJar {
 }
 
 runtime {
-    options = ['--strip-debug', '--no-header-files', '--no-man-pages']
+    options = ['--strip-debug', '--no-header-files', '--no-man-pages', '--compress', 'zip-9']
     modules = ['java.desktop', 'java.instrument', 'java.naming', 'java.sql', 'jdk.crypto.ec', 'jdk.unsupported']
 }
 

qodana.yaml

@@ -5,4 +5,4 @@ include:
   - name: VulnerableLibrariesGlobal
 # bump: qodana /qodana-jvm:([\d.]+)/ docker:jetbrains/qodana-jvm|/^[\d]{4}\.\d+$/|sort
 linter: jetbrains/qodana-jvm:2025.1
-projectJDK: temurin-24
+projectJDK: zulu-24