Alpine Linux Docker installieren

# 'docker' is in 'Community' repository, so check if configured in /etc/apk/repositories
apk add docker

# connecting to the Docker daemon through its socket requires you to add yourself to the `docker` group. 
addgroup username docker

# start the Docker daemon at boot
rc-update add docker boot

# start docker service manually
service docker start

# 'docker-compose' is in 'Community' repository, so check if configured in /etc/apk/repositories
apk add docker-compose