duminică, 19 ianuarie 2025

java.net.UnknownHostException: host.docker.internal

There is no host.docker.internal provided by default on Linux. On macOS and Windows, Docker Desktop creates a virtual network bridge and provides host.docker.internal as a hostname to allow containers to communicate with the host system. However, Linux uses a different approach for container networking, so host.docker.internal is not automatically provided.

One solution is to use the host's IP address. Run the command ip addr show docker0 to find the IP address of the Docker bridge network. It is usually 172.17.0.1.


 

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