chore: Make more /var dirs

exports.sh

@@ -24,6 +24,4 @@ export OS_VERSION=$(grep -Po "(?<=VERSION_ID=)\d+" /usr/lib/os-release)
 # Export functions for use in sub-shells or sourced scripts
 export -f get_yaml_array
 
-mkdir -p /var/roothome
-mkdir -p /var/lib/alternatives
-
+mkdir -p /var/roothome /var/opt /var/lib/alternatives /var/opt /var/usrlocal

template/templates/Containerfile.j2

@@ -17,6 +17,8 @@ ARG BASE_IMAGE="{{ recipe.base_image }}"
 
 {% include "modules/modules.j2" %}
 
+RUN rm -fr /tmp/* /var/* && ostree container commit
+
 # Labels are added last since they cause cache misses with buildah
 LABEL {{ blue_build_utils::constants::BUILD_ID_LABEL }}="{{ build_id }}"
 LABEL org.opencontainers.image.title="{{ recipe.name }}"