how having Opensearch and openserach dashboard in same docker file

My final goal is to have opensearch and opensearch-dashboard on same unix server without docker But in first time i need to test them in uniq dockerFiles I have tried without succes

FROM centos:centos7.9.2009
MAINTAINER me

RUN echo "vm.max_map_count = 262144" >> /etc/sysctl.conf
RUN echo 'echo 262144 > /proc/sys/vm/max_map_count'>/etc/rc.local 

RUN echo "fs.file-max=70000" >> /etc/sysctl.conf
RUN echo "* hard nofile 65536" >> /etc/security/limits.conf

#ajout user
RUN adduser user
 
# setup Java
RUN mkdir /opt/java
ENV JAVA_HOME=/opt/java/jdk-17.0.2
ENV OPENSEARCH_JAVA_OPTS='-Xms512m -Xmx512m'

 
ADD openjdk-17.0.2_linux-x64_bin.tar.gz /opt/java
 
# setup environment variables
RUN update-alternatives --install /usr/bin/javac javac /opt/java/jdk-17.0.2/bin/javac 100
RUN update-alternatives --install /usr/bin/java java /opt/java/jdk-17.0.2/bin/java 100
RUN update-alternatives --display java

RUN mkdir /opt/opensearch
WORKDIR /opt/opensearch/
ADD launch.sh /opt/opensearch/
ENV OPENSEARCH_JAVA_HOME=/opt/java/jdk-17.0.2
ADD opensearch-1.3.1-linux-x64.tar.gz /opt/opensearch/

# ---- opensearch.yml
#plugins.security.disabled: true
COPY opensearch.yml ./opensearch-1.3.1/config/


# opensearch remplace le moteur ELK
EXPOSE 9200
EXPOSE 9300
EXPOSE 9600

# opensearch-dashboard remplace kibana
ADD opensearch-dashboards-1.3.1-linux-x64.tar.gz /opt/opensearch/

#---- opensearch_dashboards.yml
#server.ssl.enabled: false
#server.host: "0"
#opensearch.hosts: http://localhost:9200
#opensearch.username: "admin" # Default username on the docker image
#opensearch.password: "admin" # Default password on the docker image
#opensearch.ssl.verificationMode: none
#logging.dest: stdout
#logging.verbose: true
COPY opensearch_dashboards.yml ./opensearch-dashboards-1.3.1/config/
EXPOSE 5601


VOLUME /opt/opensearch/opensearch-dashboards-1.3.1/data
VOLUME /opt/opensearch/opensearch-dashboards-1.3.1/config
VOLUME /tmp
WORKDIR /tmp/

#launch.sh
##/opt/opensearch/opensearch-1.3.1/bin/opensearch &
##/opt/opensearch/opensearch-dashboards-1.3.1/bin/opensearch-dashboards
CMD ["sh","-c","su - user -c '/opt/opensearch/launch.sh'"]


#--- start
#docker build -t i1 .
#docker run -p 9200:9200 -p 9300:9300 -p 9600:9600 -p 5601:5601  -e "discovery.type=single-node" -d --name c1 i1
##http://localhost:5601/app/login?nextUrl=%2F

I could connect en 9200 port with btr But when i tried user admin/admin in 5601 form login failed ! Where is my mistake ? Regards