level=info msg="server started" port=8080 pid=4521
level=info msg="request handled" method=GET path=/api/users status=200 duration=12ms request_id=abc-123
level=warn msg="slow query" query="SELECT * FROM users" duration=850ms request_id=def-456
level=error msg="connection refused" host=db.internal port=5432 request_id=ghi-789
level=info msg="request handled" method=POST path=/api/login status=201 duration=45ms request_id=jkl-012