fix: Escape percentage signs in CMD for proper log formatting

Dockerfile

@@ -1,7 +1,7 @@
-FROM almalinux:9
+FROM almalinux:9-minimal
 ARG DEV_DEPENDENCIES="gcc python3-devel postgresql-devel mariadb-devel"
 
-RUN dnf install -y epel-release \
+RUN microdnf install -y epel-release \
     && crb enable \
     && dnf update -y \
     && dnf install -y which \
@@ -11,19 +11,19 @@ RUN dnf install -y epel-release \
                       mariadb-connector-c
 
 # Install development dependencies required for installing packages from PyPI
-RUN dnf install -y ${DEV_DEPENDENCIES}
+RUN microdnf install -y ${DEV_DEPENDENCIES}
 
 # Install ara from PyPI with API server extras for dependencies (django & django-rest-framework)
 # including database backend libraries and gunicorn
 RUN python3 -m pip install "ara[server,mysql]" gunicorn
 
 # Remove development dependencies and clean up
-RUN dnf remove -y ${DEV_DEPENDENCIES} \
+RUN microdnf remove -y ${DEV_DEPENDENCIES} \
-    && dnf autoremove -y \
+    && microdnf autoremove -y \
-    && dnf clean all \
+    && microdnf clean all \
     && python3 -m pip cache purge
 
 # Set up the container to execute SQL migrations and run the API server with gunicorn
 ENV ARA_BASE_DIR=/opt/ara
-CMD ["/bin/bash", "-c", "/usr/local/bin/ara-manage migrate && python3 -m gunicorn --workers=4 --access-logfile - --bind [::]:8000 --access-logformat '%({x-forwarded-for}i)s %l %u %t \"%r\" %s %b \"%f\" \"%a\"' ara.server.wsgi"]
+CMD ["/bin/bash", "-c", "/usr/local/bin/ara-manage migrate && python3 -m gunicorn --workers=4 --access-logfile - --bind [::]:8000 --access-logformat '%%({x-forwarded-for}i)s %%l %%u %%t \"%%r\" %%s %%b \"%%f\" \"%%a\"' ara.server.wsgi"]
 EXPOSE 8000