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https://github.com/arsvendg/Stirling-PDF.git
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feat(docker): update base images to Java 25, Spring 4, Jackson 3, Gradle 9 and optimize JVM options (Project Lilliput) (#5725)
Co-authored-by: Anthony Stirling <[email protected]>
This commit is contained in:
Balázs Szücs
co-authored by
Anthony Stirling
Anthony Stirling
parent
24128dd318
commit
1f9b90ad57
@@ -1,191 +0,0 @@
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# ==============================================================================
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# Multi-stage Dockerfile for Stirling-PDF – image with everything included
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# Includes: LibreOffice, Calibre, Tesseract, OCRmyPDF, unoserver, WeasyPrint, etc.
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# ==============================================================================
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# ========================================
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# STAGE 1: Build stage - Alpine with Gradle
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# ========================================
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FROM gradle:8.14-jdk21@sha256:051d9a116793bdc5175a3f97a545718b750489eee85a7da20913c8a53f722a72 AS build
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COPY build.gradle .
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COPY settings.gradle .
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COPY gradlew .
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COPY gradle gradle/
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COPY app/core/build.gradle core/.
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COPY app/common/build.gradle common/.
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COPY app/proprietary/build.gradle proprietary/.
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RUN ./gradlew build -x spotlessApply -x spotlessCheck -x test -x sonarqube || return 0
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# Set the working directory
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WORKDIR /app
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# Copy the entire project to the working directory
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COPY . .
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# Build the application (server-only JAR - no UI, includes security features controlled at runtime)
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RUN DISABLE_ADDITIONAL_FEATURES=false \
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./gradlew clean build -x spotlessApply -x spotlessCheck -x test -x sonarqube
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# ========================================
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# STAGE 2: Runtime image based on Debian stable-slim
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# Contains Java runtime + LibreOffice + Calibre + all PDF tools
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# ========================================
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FROM debian:stable-slim@sha256:7cb087f19bcc175b96fbe4c2aef42ed00733a659581a80f6ebccfd8fe3185a3d
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SHELL ["/bin/bash", "-o", "pipefail", "-c"]
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ENV DEBIAN_FRONTEND=noninteractive
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ENV TESS_BASE_PATH=/usr/share/tesseract-ocr/5/tessdata
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# Install core runtime dependencies + tools required by Stirling-PDF features
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RUN apt-get update && apt-get install -y --no-install-recommends \
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ca-certificates tzdata tini bash fontconfig \
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openjdk-21-jre-headless \
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ffmpeg poppler-utils ocrmypdf \
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libreoffice-nogui libreoffice-java-common \
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python3 python3-venv python3-uno \
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tesseract-ocr tesseract-ocr-eng tesseract-ocr-deu tesseract-ocr-fra \
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tesseract-ocr-por tesseract-ocr-chi-sim \
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libcairo2 libpango-1.0-0 libpangoft2-1.0-0 libgdk-pixbuf-2.0-0 \
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gosu unpaper \
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# AWT headless support (required for some Java graphics operations)
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libfreetype6 libfontconfig1 libx11-6 libxt6 libxext6 libxrender1 libxtst6 libxi6 \
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libxinerama1 libxkbcommon0 libxkbfile1 libsm6 libice6 \
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# Qt WebEngine dependencies for Calibre
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libegl1 libopengl0 libgl1 libxdamage1 libxfixes3 libxshmfence1 libdrm2 libgbm1 \
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libxkbcommon-x11-0 libxrandr2 libxcomposite1 libnss3 libx11-xcb1 \
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libxcb-cursor0 libdbus-1-3 libglib2.0-0 \
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# Virtual framebuffer (required for headless LibreOffice)
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xvfb x11-utils coreutils \
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# Temporary packages only needed for Calibre installer
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xz-utils gpgv curl xdg-utils \
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\
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# Install Calibre from official installer script
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&& curl -fsSL https://download.calibre-ebook.com/linux-installer.sh | sh /dev/stdin \
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\
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# Clean up installer-only packages
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&& apt-get purge -y xz-utils gpgv xdg-utils \
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&& apt-get autoremove -y \
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&& rm -rf /var/lib/apt/lists/*
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# Make ebook-convert available in PATH
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RUN ln -sf /opt/calibre/ebook-convert /usr/bin/ebook-convert \
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&& /opt/calibre/ebook-convert --version
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# ==============================================================================
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# Create non-root user (stirlingpdfuser) with configurable UID/GID
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# ==============================================================================
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ARG PUID=1000
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ARG PGID=1000
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RUN set -eux; \
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# Create group if it doesn't exist
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if ! getent group stirlingpdfgroup >/dev/null 2>&1; then \
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if getent group "${PGID}" >/dev/null 2>&1; then \
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groupadd -o -g "${PGID}" stirlingpdfgroup; \
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else \
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groupadd -g "${PGID}" stirlingpdfgroup; \
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fi; \
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fi; \
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# Create user if it doesn't exist, avoid UID conflicts
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if ! id -u stirlingpdfuser >/dev/null 2>&1; then \
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if getent passwd | awk -F: -v id="${PUID}" '$3==id{found=1} END{exit !found}'; then \
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echo "UID ${PUID} already in use – creating stirlingpdfuser with automatic UID"; \
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useradd -m -g stirlingpdfgroup -d /home/stirlingpdfuser -s /bin/bash stirlingpdfuser; \
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else \
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useradd -m -u "${PUID}" -g stirlingpdfgroup -d /home/stirlingpdfuser -s /bin/bash stirlingpdfuser; \
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fi; \
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fi
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# Compatibility alias for older entrypoint scripts expecting su-exec
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RUN ln -sf /usr/sbin/gosu /usr/local/bin/su-exec
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# Copy application files from build stage
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COPY --from=build --chown=stirlingpdfuser:stirlingpdfgroup /app/app/core/build/libs/*.jar /app.jar
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COPY --from=build --chown=stirlingpdfuser:stirlingpdfgroup /app/build/libs/restart-helper.jar /restart-helper.jar
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COPY scripts/ /scripts/
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COPY app/core/src/main/resources/static/fonts/*.ttf /usr/share/fonts/truetype/
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# Optional version tag (can be passed at build time)
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ARG VERSION_TAG
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LABEL org.opencontainers.image.title="Stirling-PDF Backend"
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LABEL org.opencontainers.image.description="Backend service for Stirling-PDF - Java Spring Boot with PDF processing capabilities"
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LABEL org.opencontainers.image.source="https://github.com/Stirling-Tools/Stirling-PDF"
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LABEL org.opencontainers.image.licenses="MIT"
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LABEL org.opencontainers.image.vendor="Stirling-Tools"
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LABEL org.opencontainers.image.url="https://www.stirlingpdf.com"
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LABEL org.opencontainers.image.documentation="https://docs.stirlingpdf.com"
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LABEL maintainer="Stirling-Tools"
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LABEL org.opencontainers.image.authors="Stirling-Tools"
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LABEL org.opencontainers.image.version="${VERSION_TAG}"
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LABEL org.opencontainers.image.keywords="PDF, manipulation, backend, API, Spring Boot"
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# ==============================================================================
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# Runtime environment variables
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# ==============================================================================
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ENV VERSION_TAG=$VERSION_TAG \
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DISABLE_ADDITIONAL_FEATURES=true \
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JAVA_BASE_OPTS="-XX:+ExitOnOutOfMemoryError -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/configs/heap_dumps \
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-XX:+UnlockExperimentalVMOptions -XX:MaxRAMPercentage=75 -XX:InitiatingHeapOccupancyPercent=20 \
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-XX:+G1PeriodicGCInvokesConcurrent -XX:G1PeriodicGCInterval=10000 \
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-XX:+UseStringDeduplication -XX:G1PeriodicGCSystemLoadThreshold=70 \
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-Djava.awt.headless=true" \
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JAVA_CUSTOM_OPTS="" \
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HOME=/home/stirlingpdfuser \
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PUID=${PUID} \
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PGID=${PGID} \
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UMASK=022 \
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UNO_PATH=/usr/lib/libreoffice/program \
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STIRLING_TEMPFILES_DIRECTORY=/tmp/stirling-pdf \
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TMPDIR=/tmp/stirling-pdf \
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TEMP=/tmp/stirling-pdf \
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TMP=/tmp/stirling-pdf
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# ==============================================================================
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# Python virtual environment for additional Python tools (WeasyPrint, OpenCV, etc.)
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# ==============================================================================
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RUN python3 -m venv /opt/venv --system-site-packages \
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&& /opt/venv/bin/pip install --no-cache-dir weasyprint pdf2image opencv-python-headless \
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&& /opt/venv/bin/python -c "import cv2; print('OpenCV version:', cv2.__version__)"
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# Separate venv for unoserver (keeps it isolated)
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RUN python3 -m venv /opt/unoserver-venv --system-site-packages \
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&& /opt/unoserver-venv/bin/pip install --no-cache-dir unoserver
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# Make unoserver tools available in main venv PATH
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RUN ln -sf /opt/unoserver-venv/bin/unoconvert /opt/venv/bin/unoconvert \
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&& ln -sf /opt/unoserver-venv/bin/unoserver /opt/venv/bin/unoserver
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# Extend PATH to include both virtual environments
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ENV PATH="/opt/venv/bin:/opt/unoserver-venv/bin:${PATH}"
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# ==============================================================================
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# Final permissions, directories and font cache
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# ==============================================================================
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RUN set -eux; \
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chmod +x /scripts/*; \
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mkdir -p /configs /configs/heap_dumps /logs /customFiles /pipeline/watchedFolders /pipeline/finishedFolders /tmp/stirling-pdf; \
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chown -R stirlingpdfuser:stirlingpdfgroup \
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/home/stirlingpdfuser /configs /logs /customFiles /pipeline /tmp/stirling-pdf \
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/app.jar /restart-helper.jar /usr/share/fonts/truetype /scripts; \
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chmod -R 755 /tmp/stirling-pdf
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# Rebuild font cache
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RUN fc-cache -f -v
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# Force Qt/WebEngine to run headlessly (required for Calibre in Docker)
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ENV QT_QPA_PLATFORM=offscreen \
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QTWEBENGINE_CHROMIUM_FLAGS="--disable-gpu --disable-dev-shm-usage"
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# Expose web UI port
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EXPOSE 8080/tcp
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STOPSIGNAL SIGTERM
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# Use tini as init (handles signals and zombies correctly)
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ENTRYPOINT ["tini", "--", "/scripts/init.sh"]
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# CMD is empty – actual start command is defined in init.sh
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CMD []
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