Hacker News story: From Docker Desktop (300% CPU) to Colima and Portainer (0.2%) on macOS

From Docker Desktop (300% CPU) to Colima and Portainer (0.2%) on macOS
Docker Desktop on macOS often sits in a VM that constantly sucks CPU. For years I tolerated it—until today, when running just two Node.js apps + one Python app pegged my system, froze the UI. I switched to Colima and pointed docker context use colima. Then added Portainer for UI (docker run -d -p 9000:9000 ...). With the same compose setup, Colima usage dropped to ~0.2% Portainer provides containers/images/console UI All while keeping the Docker CLI workflow Full write-up (with screenshots) here: https://ift.tt/U8N9LZJ 0 comments on Hacker News.
Docker Desktop on macOS often sits in a VM that constantly sucks CPU. For years I tolerated it—until today, when running just two Node.js apps + one Python app pegged my system, froze the UI. I switched to Colima and pointed docker context use colima. Then added Portainer for UI (docker run -d -p 9000:9000 ...). With the same compose setup, Colima usage dropped to ~0.2% Portainer provides containers/images/console UI All while keeping the Docker CLI workflow Full write-up (with screenshots) here: https://ift.tt/U8N9LZJ

Hacker News story: From Docker Desktop (300% CPU) to Colima and Portainer (0.2%) on macOS Hacker News story: From Docker Desktop (300% CPU) to Colima and Portainer (0.2%) on macOS Reviewed by Tha Kur on October 06, 2025 Rating: 5

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