Optimize Dockerfile installation steps to reduce image size and improve readability

Author: rauldsl

Dockerfiles/test_suite

@@ -18,7 +18,18 @@
 #
 FROM fedora
 
-RUN dnf install -y git-extras git cmake dbus-devel GConf2-devel libacl-devel libblkid-devel libcap-devel libcurl-devel libgcrypt-devel libselinux-devel libxml2-devel libxslt-devel libattr-devel make openldap-devel pcre-devel perl-XML-Parser perl-XML-XPath perl-devel python3-devel rpm-devel swig bzip2-devel gcc-c++ libyaml-devel xmlsec1-devel xmlsec1-openssl-devel hostname bzip2 lua rpm-build which strace && dnf clean all
+RUN dnf -y update && \
+    dnf -y install \
+        git-extras git cmake dbus-devel GConf2-devel \
+        libacl-devel libblkid-devel libcap-devel libcurl-devel \
+        libgcrypt-devel libselinux-devel libxml2-devel libxslt-devel \
+        libattr-devel make openldap-devel pcre-devel \
+        perl-XML-Parser perl-XML-XPath perl-devel \
+        python3-devel rpm-devel swig bzip2-devel \
+        gcc-c++ libyaml-devel xmlsec1-devel xmlsec1-openssl-devel \
+        hostname bzip2 lua rpm-build which strace \
+    && dnf clean all \
+    && rm -rf /var/cache/dnf
 
 RUN git clone --recurse-submodules https://github.com/OpenSCAP/openscap
 RUN echo -e "#!/bin/bash\n\ncd /openscap/build\nif [ -d /openscap/build/tests ]; then\n  sleep 1d\n  exit 0\nelse\n  [ -n \"\$PR\" ] && git pr \$PR\n  echo \"Testing branch: \$(git branch --show-current)\"\n  cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ../ && make all\n  ctest --output-on-failure\nfi" >> /run.sh