RUN apk add glibc-2.30-r0.apk
# installing mono on alpine is hard and we don't really need it
-ENV SKIP_MONO_DISTRIBTEST=1
+ENV SKIP_NET45_DISTRIBTEST=1
+# we have a separate distribtest for netcoreapp3.1
+ENV SKIP_NETCOREAPP31_DISTRIBTEST=1
+# we have a separate distribtest for net5.0
+ENV SKIP_NET50_DISTRIBTEST=1
+