# Stirling-PDF Dockerfile - Ultra-lite version with embedded frontend
# Single JAR contains both frontend and backend with minimal dependencies

# Stage 1: Build application with embedded frontend
FROM gradle:8.14-jdk21@sha256:051d9a116793bdc5175a3f97a545718b750489eee85a7da20913c8a53f722a72 AS build

# Install Node.js and npm for frontend build
RUN apt-get update && apt-get install -y \
    curl \
    && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y nodejs \
    && npm --version \
    && node --version \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Copy gradle files for dependency resolution
COPY build.gradle .
COPY settings.gradle .
COPY gradlew .
COPY gradle gradle/
COPY app/core/build.gradle core/.
COPY app/common/build.gradle common/.
COPY app/proprietary/build.gradle proprietary/.
RUN ./gradlew build -x spotlessApply -x spotlessCheck -x test -x sonarqube || return 0

# Set working directory
WORKDIR /app

# Copy entire project
COPY . .

# Build ultra-lite JAR with embedded frontend (minimal features)
RUN DISABLE_ADDITIONAL_FEATURES=true \
    STIRLING_PDF_DESKTOP_UI=false \
    ./gradlew clean build -PbuildWithFrontend=true -x spotlessApply -x spotlessCheck -x test -x sonarqube

# Stage 2: Runtime image
FROM alpine:3.23.2@sha256:865b95f46d98cf867a156fe4a135ad3fe50d2056aa3f25ed31662dff6da4eb62

ARG VERSION_TAG

# Labels
LABEL org.opencontainers.image.title="Stirling-PDF Ultra-Lite"
LABEL org.opencontainers.image.description="Stirling-PDF with embedded frontend - Ultra-lite version with minimal dependencies"
LABEL org.opencontainers.image.source="https://github.com/Stirling-Tools/Stirling-PDF"
LABEL org.opencontainers.image.licenses="MIT"
LABEL org.opencontainers.image.vendor="Stirling-Tools"
LABEL org.opencontainers.image.url="https://www.stirlingpdf.com"
LABEL org.opencontainers.image.documentation="https://docs.stirlingpdf.com"
LABEL maintainer="Stirling-Tools"
LABEL org.opencontainers.image.authors="Stirling-Tools"
LABEL org.opencontainers.image.version="${VERSION_TAG}"
LABEL org.opencontainers.image.keywords="PDF, manipulation, ultra-lite, API, Spring Boot, React"

# Copy scripts
COPY scripts/init-without-ocr.sh /scripts/init-without-ocr.sh
COPY scripts/installFonts.sh /scripts/installFonts.sh

# Copy built JAR from build stage
COPY --from=build /app/app/core/build/libs/*.jar /app.jar
COPY --from=build /app/build/libs/restart-helper.jar /restart-helper.jar

# Environment Variables
ENV VERSION_TAG=$VERSION_TAG \
    JAVA_BASE_OPTS="-XX:+ExitOnOutOfMemoryError -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/configs/heap_dumps -XX:+UnlockExperimentalVMOptions -XX:MaxRAMPercentage=75 -XX:InitiatingHeapOccupancyPercent=20 -XX:+G1PeriodicGCInvokesConcurrent -XX:G1PeriodicGCInterval=10000 -XX:+UseStringDeduplication -XX:G1PeriodicGCSystemLoadThreshold=70" \
    JAVA_CUSTOM_OPTS="" \
    HOME=/home/stirlingpdfuser \
    PUID=1000 \
    PGID=1000 \
    UMASK=022 \
    STIRLING_TEMPFILES_DIRECTORY=/tmp/stirling-pdf \
    TMPDIR=/tmp/stirling-pdf \
    TEMP=/tmp/stirling-pdf \
    TMP=/tmp/stirling-pdf \
    ENDPOINTS_GROUPS_TO_REMOVE=CLI

# Install minimal dependencies
RUN echo "@main https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories && \
    echo "@community https://dl-cdn.alpinelinux.org/alpine/edge/community" | tee -a /etc/apk/repositories && \
    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" | tee -a /etc/apk/repositories && \
    apk upgrade --no-cache -a && \
    apk add --no-cache \
    ca-certificates \
    tzdata \
    tini \
    bash \
    curl \
    shadow \
    su-exec \
    openjdk21-jre && \
    mkdir -p $HOME /configs /configs/heap_dumps /logs /customFiles /pipeline/watchedFolders /pipeline/finishedFolders /tmp/stirling-pdf && \
    mkdir -p /usr/share/fonts/opentype/noto && \
    chmod +x /scripts/*.sh && \
    # User permissions
    addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
    chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts /configs /customFiles /pipeline /tmp/stirling-pdf && \
    chown stirlingpdfuser:stirlingpdfgroup /app.jar /restart-helper.jar

EXPOSE 8080/tcp

# Set user and run command
ENTRYPOINT ["tini", "--", "/scripts/init-without-ocr.sh"]
CMD ["java", "-Dfile.encoding=UTF-8", "-Djava.io.tmpdir=/tmp/stirling-pdf", "-jar", "/app.jar"]