Fix docker-port-allocated: Bind for 0.0.0.0:80 failed: port is already allocated

Fri, 18 Oct 2024 00:00:00 +0000

1. Symptoms

The `docker-port-allocated` error manifests when Docker fails to bind a host port to a container port. Common error message:

docker: Error response from daemon: driver failed programming external connectivity on endpoint festive_fermi (uuid): (iptables failed: iptables –wait -t nat -A DOCKER -p tcp -d 0.0.0.0/0 –dport 80 -j DNAT –to-destination 172.17.0.2:80 ! -i docker0: iptables: No chain/target/match by that name. Bind for 0.0.0.0:80 failed: port is already allocated.

Ss on ErrorVault — Developer Error Code Dictionary

Fix docker-port-allocated: Bind for 0.0.0.0:80 failed: port is already allocated

1. Symptoms

The docker-port-allocated error manifests when Docker fails to bind a host port to a container port. Common error message:

The `docker-port-allocated` error manifests when Docker fails to bind a host port to a container port. Common error message: