i have the same issue this is my dockerfile
FROM jsreport/jsreport:2.7.0-full
# Set working directory di dalam container
WORKDIR /app
RUN mkdir -p /app/data
COPY package*.json ./
RUN npm install --unsafe-perm && npm cache clean --force
COPY --chown=jsreport:jsreport jsreport.config.json /app/
COPY --chown=jsreport:jsreport /data /app/data
COPY --chown=jsreport:jsreport . .
# Ekspos port jsreport
EXPOSE 5488
CMD [ "sh", "-c", "rm -f /app/data/fs.lock && npm start" ]