Regarding testing mentioned around 17:56
, At my work we use spacejam for unit testing Meteor packages. Spacejam recently added the --xml-out command line argument. This provides XML test results your CI server can parse (we use Jenkins).
For end-to-end tests of Meteor applications we use Nightwatch. Nightwatch provides CI-friendly XML output, too.
We don't unit test in our Meteor applications because most of our unit-testable code is in packages.
We tried Velocity a little, but we prefer automating this stuff from the command line.
We also use TravisCI to test our public/FLOSS Meteor packages. Here's an example: https://github.com/csats/meteor-mturk