PMM-12641 Cleanup server build scripts (#3217)

* PMM-12641 Improve server build scripts

* PMM-12641 remove `pmm_running_in_docker` ansible vars

build/docker/server/Dockerfile.el9

@@ -8,14 +8,6 @@ ENV LC_ALL=en_US.utf8
 ENV GF_PLUGIN_DIR=/srv/grafana/plugins
 ENV PS1="[\u@\h \W] # "
 
-LABEL org.opencontainers.image.created ${BUILD_DATE}
-LABEL org.opencontainers.image.licenses AGPL-3.0
-LABEL org.opencontainers.image.title Percona Monitoring and Management
-LABEL org.opencontainers.image.vendor Percona LLC
-LABEL org.opencontainers.image.version ${VERSION}
-
-EXPOSE 8080 8443
-
 WORKDIR /opt
 
 RUN microdnf -y install epel-release && \
@@ -36,12 +28,23 @@ COPY gitCommit /tmp/gitCommit
 COPY pmm-client.tar.gz /tmp/
 
 RUN install -T -p -m 644 /opt/ansible/ansible.cfg /etc/ansible/ansible.cfg && \
-    ansible-playbook -vvv -i 'localhost,' -c local /opt/ansible/pmm-docker/main.yml -e "pmm_running_in_docker=true" && \
-    ansible-playbook -vvv -i 'localhost,' -c local /opt/ansible/pmm-docker/update.yml -e "pmm_running_in_docker=true" && \
-    ansible-playbook -vvv -i 'localhost,' -c local /opt/ansible/pmm/post-build-actions.yml -e "pmm_running_in_docker=true"
+    ansible-playbook -vvv -i 'localhost,' -c local /opt/ansible/pmm-docker/main.yml && \
+    ansible-playbook -vvv -i 'localhost,' -c local /opt/ansible/pmm-docker/update.yml && \
+    ansible-playbook -vvv -i 'localhost,' -c local /opt/ansible/pmm/post-build-actions.yml && \
+    sed -i '/^assumeyes/d' /etc/dnf/dnf.conf
+
+LABEL org.opencontainers.image.created ${BUILD_DATE}
+LABEL org.opencontainers.image.licenses AGPL-3.0
+LABEL org.opencontainers.image.title Percona Monitoring and Management
+LABEL org.opencontainers.image.vendor Percona LLC
+LABEL org.opencontainers.image.version ${VERSION}
 
 USER pmm
 
+VOLUME [ "/srv" ]
+
+EXPOSE 8080 8443
+
 HEALTHCHECK --interval=3s --timeout=2s --start-period=10s --retries=3 CMD curl -sf http://127.0.0.1:8080/v1/server/readyz
 
 CMD ["/opt/entrypoint.sh"]