Hi,
Finally we have found following as a solution for Dockerfile modification, as we only need to enable the trust of our root CA
COPY . /usr/src/sentry
RUN echo "-----BEGIN CERTIFICATE-----" >> /usr/local/share/ca-certificates/nsb-root.crt \
&& echo "MIIKeDCCBmCgAwIBAgIJALRR92P5zX1PMA0GCSqGSIb3DQEBCwUAMIHIMQswCQYD" >> /usr/local/share/ca-certificates/nsb-root.crt \
&& echo "#############################################" >> /usr/local/share/ca-certificates/nsb-root.crt \
&& echo "ALL OTHERS INTO CRT FILE" >> /usr/local/share/ca-certificates/nsb-root.crt \
&& echo "##########################################" >> /usr/local/share/ca-certificates/nsb-root.crt \
&& echo "-----END CERTIFICATE-----" >> /usr/local/share/ca-certificates/nsb-root.crt \
&& update-ca-certificates