xcf2png
command-line tools for extracting data for XCF files
RUN apt-get update && \
apt-get install -y xcftools
RUN apt-get update && \
apt-get install -y xcftools
RUN apt-get update && \
apt-get install -y xcftools
RUN dnf install -y xcftools
RUN apt-get update && \
apt-get install -y xcftools