CAS auth sometimes fails to apply

[dpmccabe]

It seems that sometimes when the dynos cycle, the CAS auth block is not applied. Since the USE_HARVARD_KEY setting is applied in the R buildpack's run script (rather than at compile time), it might be that it's not available when Apache is configured and started.

Best option might just be to combine the buildpacks into a new one.

[dpmccabe]

I noticed be that I had the R buildpack listed before Apache in some apps. That might cause the problem, although you'd think that if this process was totally deterministic then the order would either make it work all the time or never. In any case, it's worth looking into whether the buildpacks should be combined.