javaBench/Dockerfile.layer2 at main · opensoft/javaBench · GitHub

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# Layer 2: Java Bench Image
# Extends Layer 1 (devbench-base) with Java specific tools
# Includes: OpenJDK 21, Maven, Gradle, Spring CLI, Java tools

ARG BASE_IMAGE=devbench-base:brett
FROM ${BASE_IMAGE}

# Container version labels
LABEL layer="2"
LABEL layer.name="java-bench"
LABEL layer.version="1.0.0"
LABEL layer.description="Java development tools and JDK"
LABEL bench.type="java"

ARG USERNAME=brett

# Switch to root for Java installation
USER root

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

# Install OpenJDK 21 (LTS)
RUN apt-get update && apt-get install -y \
    openjdk-21-jdk \
    openjdk-21-jre \
    && rm -rf /var/lib/apt/lists/*

# Set JAVA_HOME
ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64
ENV PATH="$JAVA_HOME/bin:$PATH"

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

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

# Install Gradle
RUN wget https://services.gradle.org/distributions/gradle-8.5-bin.zip -P /tmp \
    && unzip -d /opt/gradle /tmp/gradle-8.5-bin.zip \
    && rm /tmp/gradle-8.5-bin.zip \
    && ln -s /opt/gradle/gradle-8.5/bin/gradle /usr/local/bin/gradle

ENV GRADLE_HOME=/opt/gradle/gradle-8.5
ENV PATH="$GRADLE_HOME/bin:$PATH"

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

# Install SDKMan for Java version management
USER $USERNAME
RUN curl -s "https://get.sdkman.io" | bash \
    && bash -c "source $HOME/.sdkman/bin/sdkman-init.sh"

USER root

# Install Spring Boot CLI
RUN wget https://repo.spring.io/release/org/springframework/boot/spring-boot-cli/3.2.0/spring-boot-cli-3.2.0-bin.tar.gz -P /tmp \
    && tar -xzf /tmp/spring-boot-cli-3.2.0-bin.tar.gz -C /opt \
    && rm /tmp/spring-boot-cli-3.2.0-bin.tar.gz \
    && ln -s /opt/spring-3.2.0/bin/spring /usr/local/bin/spring

# ========================================
# CODE QUALITY TOOLS
# ========================================

# Install Checkstyle, SpotBugs, PMD via Maven plugins
# These will be available through project builds

# ========================================
# USER CONFIGURATION
# ========================================

USER $USERNAME

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

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

# Add Java development aliases and environment to .zshrc
RUN echo '' >> ~/.zshrc && \
    echo '# Java Development Environment' >> ~/.zshrc && \
    echo 'export JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64' >> ~/.zshrc && \
    echo 'export GRADLE_HOME=/opt/gradle/gradle-8.5' >> ~/.zshrc && \
    echo 'export PATH="$JAVA_HOME/bin:$GRADLE_HOME/bin:$PATH"' >> ~/.zshrc && \
    echo '' >> ~/.zshrc && \
    echo '# Java Build aliases' >> ~/.zshrc && \
    echo 'alias mvn-clean="mvn clean"' >> ~/.zshrc && \
    echo 'alias mvn-package="mvn clean package"' >> ~/.zshrc && \
    echo 'alias mvn-install="mvn clean install"' >> ~/.zshrc && \
    echo 'alias mvn-test="mvn test"' >> ~/.zshrc && \
    echo 'alias gradle-build="gradle build"' >> ~/.zshrc && \
    echo 'alias gradle-clean="gradle clean"' >> ~/.zshrc && \
    echo 'alias gradle-test="gradle test"' >> ~/.zshrc && \
    echo 'alias spring-run="./mvnw spring-boot:run"' >> ~/.zshrc

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

WORKDIR /workspace

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