Networking

# Create a custom bridge network
docker network create appnet
docker network ls

# Attach containers to the network
docker run -d --name api --network appnet -p 8080:8080 myapp
docker run -d --name db --network appnet postgres:16

# Containers on the same network resolve by name
# Inside api: psql -h db -U postgres

# Inspect and disconnect
docker network inspect appnet
docker network disconnect appnet db

# Remove unused networks
docker network prune