Dockerfile-ultra-lite

# use alpine
FROM alpine:3.20.0

ARG VERSION_TAG

# Set Environment Variables
ENV DOCKER_ENABLE_SECURITY=false \
    HOME=/home/stirlingpdfuser \
    VERSION_TAG=$VERSION_TAG \
    JAVA_TOOL_OPTIONS="$JAVA_TOOL_OPTIONS -XX:MaxRAMPercentage=75" \
    PUID=1000 \
    PGID=1000 \
    UMASK=022

# Copy necessary files
COPY scripts/download-security-jar.sh /scripts/download-security-jar.sh
COPY scripts/init-without-ocr.sh /scripts/init-without-ocr.sh
COPY pipeline /pipeline
COPY build/libs/*.jar app.jar

# Set up necessary directories and permissions
RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories && \
    echo "@testing 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 && \
    # User permissions
    mkdir /configs /logs /customFiles && \
    chmod +x /scripts/*.sh && \
    addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
    chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts  /configs /customFiles /pipeline && \
    chown stirlingpdfuser:stirlingpdfgroup /app.jar    

# Set environment variables
ENV ENDPOINTS_GROUPS_TO_REMOVE=CLI

EXPOSE 8080/tcp

# Run the application
ENTRYPOINT ["tini", "--", "/scripts/init-without-ocr.sh"]
CMD ["java", "-Dfile.encoding=UTF-8", "-jar", "/app.jar"]