With regard to the engines question, from the config file created in the generated app: 

# NOTE: All the engine configurations need to be under a single "engines:"
# key.  If you uncomment engine configurations below, make sure to delete
# all "engines:" lines except the first.  Otherwise, only the last
# "engines:" block will take effect.


The way forward always starts with a minimal test.

In reply to Re^3: Why won't my Dancer2 app render any output??? by 1nickt
in thread Why won't my Dancer2 app render any output??? by traveler

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