do i need sudo to run docker code example

Example 1: make docker sudo less

$ sudo groupadd docker
$ sudo usermod -aG docker $USER
$ newgrp docker

Example 2: docker sudo how to add user

FROM alpine:latest
RUN apk --no-cache update \
    && apk --no-cache add sudo
copy run.sh /usr/local/
RUN addgroup -S cassandra && adduser -S cassandra -G cassandra
RUN chown -R cassandra:cassandra /home/cassandra/
RUN echo 'cassandra  ALL=(ALL) /bin/su' >>  /etc/sudoers
USER cassandra
ENTRYPOINT [ "sh","/usr/local/run.sh"]

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