Add sshserver to docker camunda

Hi
I need to transfer my own war to docker camunda, so i need to add openssh server to docker ?
It’s for developpement ONLY
An idea ?
Regards

Without succes
FROM camunda/camunda-bpm-platform:7.10.0
RUN rm -rf /camunda/webapps/camunda-invoice /camunda/webapps/camunda
RUN apt-get install -y openssh-server

an other bad test

I have tried too without succes
#docker build -t i10d .
#docker run -d --name c10dpcs -p 8086:8080 -p 2026:22 i10d

docker exec -ti c10dpcs bash

FROM openjdk:8u212-jre-alpine3.9 as builder

USER root
COPY rootfs /

RUN apk add --no-cache openssh
&& sed -i s/#PermitRootLogin.*/PermitRootLogin\ yes/ /etc/ssh/sshd_config
&& echo “root:root” | chpasswd

ARG VERSION=7.10.0
ARG DISTRO=tomcat
ARG SNAPSHOT=false

ARG EE=false
ARG USER
ARG PASSWORD

RUN apk add --no-cache
ca-certificates
maven
tar
wget
xmlstarlet

COPY settings.xml download.sh camunda-tomcat.sh camunda-wildfly.sh /tmp/

RUN /tmp/download.sh

FINAL IMAGE

FROM openjdk:8u212-jre-alpine3.9

ARG VERSION=7.10.0

ENV CAMUNDA_VERSION=${VERSION}
ENV DB_DRIVER=org.h2.Driver
ENV DB_URL=jdbc:h2:./camunda-h2-dbs/process-engine;MVCC=TRUE;TRACE_LEVEL_FILE=0;DB_CLOSE_ON_EXIT=FALSE
ENV DB_USERNAME=sa
ENV DB_PASSWORD=sa
ENV DB_CONN_MAXACTIVE=20
ENV DB_CONN_MINIDLE=5
ENV DB_CONN_MAXIDLE=20
ENV SKIP_DB_CONFIG=
ENV WAIT_FOR=
ENV WAIT_FOR_TIMEOUT=30
ENV TZ=UTC
ENV DEBUG=false
ENV JAVA_OPTS="-Xmx768m -XX:MaxMetaspaceSize=256m"

EXPOSE 8080 8000 22

RUN apk add --no-cache
bash
ca-certificates
tzdata
tini
xmlstarlet
&& wget -O /usr/local/bin/wait-for-it.sh
https://raw.githubusercontent.com/vishnubob/wait-for-it/db049716e42767d39961e95dd9696103dca813f1/wait-for-it.sh
&& chmod +x /usr/local/bin/wait-for-it.sh

RUN addgroup -g 1000 -S camunda &&
adduser -u 1000 -S camunda -G camunda -h /camunda -s /bin/bash -D camunda
WORKDIR /camunda
USER camunda

ENTRYPOINT ["/sbin/tini", “–”]
#CMD ["./camunda.sh"]
#CMD ["/usr/sbin/sshd", “-D”]
#Un seul est possible
#RUN chown camunda:camunda /camunda/run.sh
CMD ["/entrypoint.sh"]

COPY --chown=camunda:camunda --from=builder /camunda .

ssh is not on disk ?
content of rootfs directory is not copied