My application is running in a Docker container; what container-specific considerations should I check for this HTTPSConnectionPool error?

In a Docker container, network isolation, DNS resolution, and certificate bundles are common culprits. First, ensure the container has internet access by running `ping google.com` inside it. Check if any Docker network configurations or host firewalls are blocking outbound traffic. For DNS, verify `resolv.conf` inside the container or override DNS in `docker run`. Lastly, ensure the container image has an up-to-date CA certificate bundle (e.g., by including `RUN apt-get update && apt-get install -y ca-certificates` in your Dockerfile for Debian-based images).