Dockerfile.layer2

# syntax=docker/dockerfile:1.7
# Layer 2: Java Bench Image
# Extends Layer 1 (dev-bench-base) with Java specific tools
# Includes: OpenJDK 25, Maven, Gradle, Spring CLI, Java tools

ARG BASE_IMAGE=dev-bench-base:latest
FROM ${BASE_IMAGE}

ARG JACOCO_VERSION=0.8.15
ARG SONAR_MAVEN_PLUGIN_VERSION=5.7.0.6970
ARG SONAR_GRADLE_PLUGIN_VERSION=7.3.1.8318
ARG SPRINGBOOT_VERSION=4.1.0
ARG KOTLIN_VERSION=2.4.0
ARG GROOVY_VERSION=6.0.0-alpha-1
ARG SCALA_VERSION=3.8.4
ARG QUARKUS_VERSION=3.37.1
ARG MICRONAUT_VERSION=5.0.3

# Container version labels
LABEL layer="2"
LABEL layer.name="java-bench"
LABEL layer.version="2.2.10"
LABEL layer.description="Java development tools and JDK (user-agnostic)"
LABEL bench.type="java"

# Everything runs as root
USER root

# ========================================
# JAVA JDK
# ========================================

# Install OpenJDK 25 (LTS) and zip (required by SDKMAN)
RUN apt-get update && apt-get install -y \
    openjdk-25-jdk \
    openjdk-25-jre \
    zip \
    && rm -rf /var/lib/apt/lists/*

# Set JAVA_HOME
ENV JAVA_HOME=/usr/lib/jvm/java-25-openjdk-amd64
ENV PATH="$JAVA_HOME/bin:$PATH"
ENV JACOCO_VERSION=${JACOCO_VERSION}
ENV JACOCO_CLI_JAR=/opt/jacoco/jacococli.jar
ENV JACOCO_AGENT_JAR=/opt/jacoco/jacocoagent.jar
ENV SONAR_MAVEN_PLUGIN_VERSION=${SONAR_MAVEN_PLUGIN_VERSION}
ENV SONAR_GRADLE_PLUGIN_VERSION=${SONAR_GRADLE_PLUGIN_VERSION}
ENV SPRINGBOOT_VERSION=${SPRINGBOOT_VERSION}
ENV KOTLIN_VERSION=${KOTLIN_VERSION}
ENV GROOVY_VERSION=${GROOVY_VERSION}
ENV SCALA_VERSION=${SCALA_VERSION}
ENV QUARKUS_VERSION=${QUARKUS_VERSION}
ENV MICRONAUT_VERSION=${MICRONAUT_VERSION}

# ========================================
# BUILD TOOLS
# ========================================

# Install Maven
RUN apt-get update && apt-get install -y \
    maven \
    && rm -rf /var/lib/apt/lists/*

# Install a resumable, multi-connection downloader for large tool distributions.
RUN apt-get update && apt-get install -y --no-install-recommends \
    aria2 \
    && rm -rf /var/lib/apt/lists/*

# Install Gradle
RUN aria2c --allow-overwrite=true --auto-file-renaming=false --continue=true \
        --max-connection-per-server=8 --split=8 --min-split-size=8M \
        --max-tries=10 --retry-wait=5 --connect-timeout=30 --timeout=120 \
        --summary-interval=30 --console-log-level=warn \
        -d /tmp -o gradle-9.6.1-bin.zip \
        https://downloads.gradle.org/distributions/gradle-9.6.1-bin.zip \
    && unzip -d /opt/gradle /tmp/gradle-9.6.1-bin.zip \
    && rm /tmp/gradle-9.6.1-bin.zip \
    && ln -s /opt/gradle/gradle-9.6.1/bin/gradle /usr/local/bin/gradle

ENV GRADLE_HOME=/opt/gradle/gradle-9.6.1
ENV PATH="$GRADLE_HOME/bin:$PATH"
ENV CURL_RETRY_OPTS="--retry 5 --retry-delay 5 --connect-timeout 30 --max-time 600"
ENV ARIA2_RETRY_OPTS="--allow-overwrite=true --auto-file-renaming=false --continue=true --max-connection-per-server=8 --split=8 --min-split-size=1M --max-tries=10 --retry-wait=5 --connect-timeout=30 --timeout=120 --summary-interval=30 --console-log-level=warn"

# ========================================
# JAVA DEVELOPMENT TOOLS
# ========================================

# Install SDKMan system-wide
RUN curl -fsSL $CURL_RETRY_OPTS "https://get.sdkman.io" | bash \
    && bash -c "source $HOME/.sdkman/bin/sdkman-init.sh" \
    && mv /root/.sdkman /opt/sdkman \
    && chmod -R a+rx /opt/sdkman

ENV SDKMAN_DIR=/opt/sdkman

# Install SDKMAN-hosted JVM CLIs with resumable downloads. Calling `sdk install`
# directly can fall back to a slow single-stream downloader inside Docker.
RUN --mount=type=cache,target=/var/cache/sdkman-downloads,sharing=locked set -eux; \
    install_sdkman_archive() { \
        candidate="$1"; \
        version="$2"; \
        install_dir="/opt/${candidate}-${version}"; \
        download_dir="/var/cache/sdkman-downloads"; \
        archive="${download_dir}/${candidate}-${version}.zip"; \
        extract_dir="/tmp/${candidate}-${version}-extract"; \
        rm -rf "$install_dir" "$extract_dir"; \
        mkdir -p "$download_dir" "$extract_dir"; \
        aria2c $ARIA2_RETRY_OPTS -d "$download_dir" -o "$(basename "$archive")" \
            "https://api.sdkman.io/2/broker/download/${candidate}/${version}/linuxx64"; \
        unzip -q "$archive" -d "$extract_dir"; \
        first_entry="$(find "$extract_dir" -mindepth 1 -maxdepth 1 | head -n1)"; \
        entry_count="$(find "$extract_dir" -mindepth 1 -maxdepth 1 | wc -l)"; \
        mkdir -p "$install_dir"; \
        if [ "$entry_count" = "1" ] && [ -d "$first_entry" ]; then \
            cp -a "$first_entry"/. "$install_dir"/; \
        else \
            cp -a "$extract_dir"/. "$install_dir"/; \
        fi; \
        chmod -R a+rX "$install_dir"; \
        if [ -d "$install_dir/bin" ]; then \
            find "$install_dir/bin" -maxdepth 1 -type f -perm /111 -printf '%f\n' | \
                while read -r tool; do \
                    ln -sf "$install_dir/bin/$tool" "/usr/local/bin/$tool"; \
                done; \
        fi; \
        rm -rf "$extract_dir"; \
    }; \
    install_sdkman_archive springboot "$SPRINGBOOT_VERSION"; \
    install_sdkman_archive kotlin "$KOTLIN_VERSION"; \
    install_sdkman_archive groovy "$GROOVY_VERSION"; \
    install_sdkman_archive scala "$SCALA_VERSION"; \
    install_sdkman_archive quarkus "$QUARKUS_VERSION"; \
    install_sdkman_archive micronaut "$MICRONAUT_VERSION"; \
    spring --version; \
    kotlin -version; \
    groovy --version; \
    scala -version; \
    quarkus --version; \
    mn --version

# ========================================
# CONTAINER TOOLING
# ========================================

# Install Docker CLI (client only, daemon runs on host via socket mount)
RUN apt-get update && apt-get install -y \
    ca-certificates gnupg lsb-release \
    && install -m 0755 -d /etc/apt/keyrings \
    && curl -fsSL $CURL_RETRY_OPTS https://download.docker.com/linux/ubuntu/gpg | gpg --batch --yes --dearmor -o /etc/apt/keyrings/docker.gpg \
    && chmod a+r /etc/apt/keyrings/docker.gpg \
    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list \
    && apt-get update && apt-get install -y docker-ce-cli docker-compose-plugin \
    && rm -rf /var/lib/apt/lists/*

# ========================================
# DATABASE CLIENTS
# ========================================

RUN apt-get update && apt-get install -y \
    postgresql-client \
    default-mysql-client \
    sqlite3 \
    redis-tools \
    && rm -rf /var/lib/apt/lists/*

# ========================================
# CODE QUALITY / STATIC ANALYSIS TOOLS
# ========================================

# Checkstyle
RUN mkdir -p /opt/checkstyle \
    && aria2c $ARIA2_RETRY_OPTS -d /opt/checkstyle -o checkstyle.jar \
       https://github.com/checkstyle/checkstyle/releases/download/checkstyle-13.7.0/checkstyle-13.7.0-all.jar \
    && printf '%s\n' '#!/usr/bin/env sh' \
        'exec java -jar /opt/checkstyle/checkstyle.jar "$@"' \
        > /usr/local/bin/checkstyle \
    && chmod +x /usr/local/bin/checkstyle

# SpotBugs
RUN aria2c $ARIA2_RETRY_OPTS -d /tmp -o spotbugs.tgz \
       https://github.com/spotbugs/spotbugs/releases/download/4.10.2/spotbugs-4.10.2.tgz \
    && tar -xzf /tmp/spotbugs.tgz -C /opt \
    && chmod +x /opt/spotbugs-4.10.2/bin/spotbugs \
    && ln -s /opt/spotbugs-4.10.2/bin/spotbugs /usr/local/bin/spotbugs \
    && rm /tmp/spotbugs.tgz

# PMD
RUN aria2c $ARIA2_RETRY_OPTS -d /tmp -o pmd.zip \
       https://github.com/pmd/pmd/releases/download/pmd_releases%2F7.26.0/pmd-dist-7.26.0-bin.zip \
    && unzip -q /tmp/pmd.zip -d /opt \
    && ln -s /opt/pmd-bin-7.26.0/bin/pmd /usr/local/bin/pmd \
    && rm /tmp/pmd.zip

# JaCoCo coverage tools for manual Java coverage workflows.
COPY files/jacoco-cli /usr/local/bin/jacoco-cli
COPY files/sonarcloud-java-maven /usr/local/bin/sonarcloud-java-maven
COPY files/sonarcloud-java-gradle /usr/local/bin/sonarcloud-java-gradle
RUN mkdir -p /opt/jacoco \
    && aria2c $ARIA2_RETRY_OPTS -d /opt/jacoco -o jacococli.jar \
       "https://repo1.maven.org/maven2/org/jacoco/org.jacoco.cli/${JACOCO_VERSION}/org.jacoco.cli-${JACOCO_VERSION}-nodeps.jar" \
    && aria2c $ARIA2_RETRY_OPTS -d /opt/jacoco -o jacocoagent.jar \
       "https://repo1.maven.org/maven2/org/jacoco/org.jacoco.agent/${JACOCO_VERSION}/org.jacoco.agent-${JACOCO_VERSION}-runtime.jar" \
    && chmod +x /usr/local/bin/jacoco-cli /usr/local/bin/sonarcloud-java-maven /usr/local/bin/sonarcloud-java-gradle

# SonarScanner CLI is inherited from dev-bench-base.
RUN sonar-scanner --version

# ========================================
# JVM COMPANION LANGUAGES
# ========================================

# ========================================
# SYSTEM UTILITIES
# ========================================

RUN apt-get update && apt-get install -y \
    htop \
    tree \
    less \
    ant \
    && rm -rf /var/lib/apt/lists/*

# ========================================
# FRAMEWORK CLIs
# ========================================

# ========================================
# PERFORMANCE TESTING
# ========================================

# Apache JMeter 5.6.3
RUN aria2c $ARIA2_RETRY_OPTS -d /tmp -o jmeter.tgz \
       https://dlcdn.apache.org/jmeter/binaries/apache-jmeter-5.6.3.tgz \
    && tar -xzf /tmp/jmeter.tgz -C /opt \
    && ln -s /opt/apache-jmeter-5.6.3/bin/jmeter /usr/local/bin/jmeter \
    && rm /tmp/jmeter.tgz

ENV JMETER_HOME=/opt/apache-jmeter-5.6.3

# Gatling standalone bundle
RUN aria2c $ARIA2_RETRY_OPTS -d /tmp -o gatling.zip \
       https://repo1.maven.org/maven2/io/gatling/highcharts/gatling-charts-highcharts-bundle/3.15.1/gatling-charts-highcharts-bundle-3.15.1-bundle.zip \
    && unzip -q /tmp/gatling.zip -d /opt \
    && chmod +x /opt/gatling-charts-highcharts-bundle-3.15.1/mvnw \
    && printf '%s\n' '#!/usr/bin/env bash' \
        'set -euo pipefail' \
        'cd "${GATLING_HOME:-/opt/gatling-charts-highcharts-bundle-3.15.1}"' \
        'exec ./mvnw gatling:test "$@"' > /usr/local/bin/gatling \
    && printf '%s\n' '#!/usr/bin/env bash' \
        'set -euo pipefail' \
        'cd "${GATLING_HOME:-/opt/gatling-charts-highcharts-bundle-3.15.1}"' \
        'exec ./mvnw gatling:recorder "$@"' > /usr/local/bin/gatling-recorder \
    && chmod +x /usr/local/bin/gatling /usr/local/bin/gatling-recorder \
    && rm /tmp/gatling.zip

ENV GATLING_HOME=/opt/gatling-charts-highcharts-bundle-3.15.1

# ========================================
# WORKSPACE SETUP
# ========================================

# Create common Java project directories
RUN mkdir -p /workspace/projects \
    && mkdir -p /workspace/m2repo \
    && mkdir -p /workspace/.gradle

# Configure Maven to use workspace m2repo (in /etc/skel)
RUN mkdir -p /etc/skel/.m2 \
    && echo '<?xml version="1.0" encoding="UTF-8"?>' > /etc/skel/.m2/settings.xml \
    && echo '<settings>' >> /etc/skel/.m2/settings.xml \
    && echo '  <localRepository>/workspace/m2repo</localRepository>' >> /etc/skel/.m2/settings.xml \
    && echo '</settings>' >> /etc/skel/.m2/settings.xml

# ========================================
# SHELL CONFIGURATION (into /etc/skel)
# ========================================

# Add Java development aliases and environment to /etc/skel/.zshrc
RUN echo '' >> /etc/skel/.zshrc && \
    echo '# Java Development Environment' >> /etc/skel/.zshrc && \
    echo 'export JAVA_HOME=/usr/lib/jvm/java-25-openjdk-amd64' >> /etc/skel/.zshrc && \
    echo 'export GRADLE_HOME=/opt/gradle/gradle-9.6.1' >> /etc/skel/.zshrc && \
    echo 'export PATH="$JAVA_HOME/bin:$GRADLE_HOME/bin:$PATH"' >> /etc/skel/.zshrc && \
    echo '' >> /etc/skel/.zshrc && \
    echo '# Java Build aliases' >> /etc/skel/.zshrc && \
    echo 'alias mvn-clean="mvn clean"' >> /etc/skel/.zshrc && \
    echo 'alias mvn-package="mvn clean package"' >> /etc/skel/.zshrc && \
    echo 'alias mvn-install="mvn clean install"' >> /etc/skel/.zshrc && \
    echo 'alias mvn-test="mvn test"' >> /etc/skel/.zshrc && \
    echo 'alias mvn-sonar-coverage="sonarcloud-java-maven"' >> /etc/skel/.zshrc && \
    echo 'alias gradle-build="gradle build"' >> /etc/skel/.zshrc && \
    echo 'alias gradle-clean="gradle clean"' >> /etc/skel/.zshrc && \
    echo 'alias gradle-test="gradle test"' >> /etc/skel/.zshrc && \
    echo 'alias gradle-sonar-coverage="sonarcloud-java-gradle"' >> /etc/skel/.zshrc && \
    echo 'alias spring-run="./mvnw spring-boot:run"' >> /etc/skel/.zshrc && \
    echo '' >> /etc/skel/.zshrc && \
    echo '# Performance Testing aliases' >> /etc/skel/.zshrc && \
    echo 'alias jmeter-cli="jmeter -n"' >> /etc/skel/.zshrc && \
    echo 'alias jmeter-report="jmeter -g"' >> /etc/skel/.zshrc

# Add SDKMan initialization
RUN echo '' >> /etc/skel/.zshrc && \
    echo '# SDKMan initialization' >> /etc/skel/.zshrc && \
    echo 'export SDKMAN_DIR="/opt/sdkman"' >> /etc/skel/.zshrc && \
    echo '[[ -s "/opt/sdkman/bin/sdkman-init.sh" ]] && source "/opt/sdkman/bin/sdkman-init.sh"' >> /etc/skel/.zshrc

# Default command
CMD ["sleep", "infinity"]