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# Dockerfile for Joern Server Container # Contains Joern CLI for CPG generation and caching FROM eclipse-temurin:21-jdk-jammy # Install system dependencies RUN apt-get update && apt-get install -y \ curl \ wget \ unzip \ && rm -rf /var/lib/apt/lists/* # Set Joern version ENV JOERN_VERSION=4.0.444 ENV JOERN_HOME=/opt/joern # Download and install Joern from joernio/joern GitHub releases RUN mkdir -p ${JOERN_HOME} && \ cd /tmp && \ wget -q https://github.com/joernio/joern/releases/download/v${JOERN_VERSION}/joern-install.sh && \ chmod +x joern-install.sh && \ sed -i 's/sudo //g' joern-install.sh && \ ./joern-install.sh && \ rm -rf joern-install.sh joern-cli.zip # Add Joern CLI tools to PATH ENV PATH="${JOERN_HOME}/joern-cli:${JOERN_HOME}/joern-cli/bin:${PATH}" # Create playground directory for CPG storage RUN mkdir -p /playground # Verify Joern installation RUN joern --help # Create entrypoint script RUN echo '#!/bin/bash\n\ set -e\n\ \n\ # Keep container running\n\ tail -f /dev/null\n\ ' > /entrypoint.sh && chmod +x /entrypoint.sh # Run entrypoint script CMD ["/entrypoint.sh"]