Imprroves postgresql’s readiness-check-command.

services/postgresql.spec

@@ -2,7 +2,7 @@ name: postgresql
 user: postgres
 command: postgres -D ${SERVICE_ROOT}/db -k /tmp/postgresql-${ENVIRONMENT}
 #stop-command: kill -HUP ${PID}
-readiness-check-command: pg_isready -p ${POSTGRESQL_PORT}
+readiness-check-command: pg_isready -p ${PORT_POSTGRESQL} -h localhost -q
 environment-variables:
 	- PGROOT=${SERVICE_ROOT}
 provides: postgresql

src/service/service.cr

@@ -359,7 +359,10 @@ class Service
 			now = Time.local
 
 			while (now - start_time).seconds < 5
-				r = Process.run "sh", ["-c", command]
+				r = Process.run "sh", ["-c", command],
+					output: Process::Redirect::Inherit,
+					error: Process::Redirect::Inherit,
+					env: commands_environment
 
 				if r.success?
 					break