https://github.com/xulihang/macOCR extend #now
https://docs.swift.org/swift-book read
check
https://ssushant.in/posts/swift-command-line-init/ read
https://www.swift.org/getting-started/cli-swiftpm/
https://ssushant.in/posts/swift-command-line-init/
https://swiftpackageindex.com/apple/swift-argument-parser/documentation arg parser
great overview of things app architecture
https://github.com/swift-server/RediStack
https://github.com/vapor/mysql-kit
https://aws.amazon.com/rds/aurora/
haproxy takes request and proxies it to right service. vapor swift then routes it
every instance runs multiple swift services