Generalized commands to initialize docker-compose/wait for db

Rakefile

def postgres_url()
	postgres_str = `docker-compose port postgres 5432`.strip
	return "postgres://postgres:postgres@#{postgres_str}/postgres"
end

desc "Run initial setups needed to get service running locally (also runs all setup_x tasks)"
task :setup => [:start_doc, :setup_db]

desc "Start docker-compose in background"
task :start_doc do
	sh "docker-compose up -d --remove-orphans"
end

desc "setup local db with test data"
task :setup_db do
	while system("psql #{postgres_url()} -c 'SELECT 1;' &> /dev/null") != true do
		print "database is starting...\n"
		sleep(1)
	end

	sh "psql #{postgres_url()} -v ON_ERROR_STOP=1 -f schema.sql"
end

desc "Tear down the docker-compose"
task :teardown do
	sh "docker-compose stop && docker-compose rm -f"
	sh "rm -rf local-data/"
end

desc "Run service locally"
task :run => :start_doc do
	sh "run-command"
end