Docker Container Can't Reach the Internet: 5 Fixes That Actually Work You pull a fresh container, run it, and immediately hit a wall: curl times out, apt-get update fails, your app can't call an API. The host machine is fine. The container is isolated.
Source: [Dev.to](https://dev.to/jun_liu_ca219b73a8f1489b5/docker-container-cant-reach-the-internet-5-fixes-that-actually-work-211j)