Python vs JS vs java vs ...

There are plenty of languages. Do you know where they shine and where they fail?

Test application: A simple application waiting for an event: either ctrl+c or any incoming connection on port 3000.

Language
runtime CPU
RAM
Image size (MiB)
Image
Startup time
Comments




Python
☑️0.01%
☑️<12
️✅57
python:3-alpine




JavaScript
✅0.00%
✅<8
☑️135
node:20-alpine




Java
❌0.12%
☑️~18.5
❌ 567
openjdk:23-oracle

Slow startup with peak memory usage; garbage collector consumes CPU all the time


Java
❌0.09%
✅~9
☑️123
azul/zulu-openjdk-alpine:8-jre-latest

garbage collector …

alpine application cpu event image java javascript language languages python shine simple startup test waiting