cg-java-Dockerfile

FROM cgr.dev/chainguard/jdk:latest-dev AS chainguard-builder

USER 0
# Add nginx and cosign packages to JRE distroless image
ARG PACKAGES="nginx cosign"
RUN mkdir -p /newroot/etc && \
    cp -a /etc/apk /newroot/etc && \
    apk update && \
    apk add --no-cache --initdb --root /newroot $PACKAGES && \
    find /newroot -mindepth 1 -maxdepth 1 -type d \( ! -name usr -a ! -name var \) -exec rm -rf {} + && \
    rm -rf /newroot/usr/share* && \
    rm -rf /newroot/var/log* && \
    rm -rf /newroot/var/spool* && \
    rm -rf /newroot/var/cache/*

FROM cgr.dev/chainguard/jre:latest
COPY --chown=65532:65532 --from=chainguard-builder /newroot /