webserver: ring-jetty9-adapter[0]
routing: reitit[1]
html templates: hiccup[2]
never used an ORM, but happily used HugSQL for making composable queries[3].
[0]https://github.com/sunng87/ring-jetty9-adapter [1]https://github.com/metosin/reitit [2]https://github.com/weavejester/hiccup [3]https://www.hugsql.org/