Picking the right architecture = Picking the right battles + Managing trade-offs

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

1. Install GPG tools
   1. Install GPG tools and setup pin entry by running:

   brew install gnupg pinentry-mac
   mkdir -m 700 -p ~/.gnupg
   echo "pinentry-program /usr/local/bin/pinentry-mac" >> ~/.gnupg/gpg-agent.conf
   killall gpg-agent