pg_isready
checks PostgreSQL server connection readiness
TLDR
Check if server is ready
$ pg_isready
Check specific host$ pg_isready -h [host] -p [port]
Check with timeout$ pg_isready -t [seconds]
Quiet mode$ pg_isready -q
SYNOPSIS
pg_isready [options]
DESCRIPTION
pg_isready checks PostgreSQL server connection readiness. Returns exit code indicating server status. Useful for scripts and health checks before connecting.
PARAMETERS
-h, --host host
Server hostname.-p, --port port
Server port.-t, --timeout seconds
Connection timeout.-q, --quiet
Suppress output.-d, --dbname name
Database name.
INSTALL
sudo apk add postgresql17-client
