notes

Remover containers nao usados
docker rm $(docker ps -q -f status=exited)
Remover imagens nao usadas
docker rmi $(docker images | grep "^<none>" | awk "{print $3}")
Volumes orfaos
docker volume ls -qf dangling=true
Remover volumes orfaos
docker volume rm $(docker volume ls -qf dangling=true)
Stats com os nome dos containers
docker stats $(docker ps --format={{.Names}})

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Gerar certificados Let's encrypt com Docker
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https://thisendout.com/2016/04/21/letsencrypt-certificate-generation-with-docker/
docker run -d -p 80:80 --name nginx -v /usr/share/nginx/html nginx
docker run -it --name letsencrypt --volumes-from nginx quay.io/letsencrypt/letsencrypt certonly --agree-tos --webroot --webroot-path /usr/share/nginx/html -m seniocaires@gmail.com -d dominio.com.br.br
docker cp letsencrypt:/etc/letsencrypt/ letsencrypt

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Habilitar API Debian
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nano /lib/systemd/system/docker.service 
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:4243 -H unix:///var/run/docker.sock 
systemctl daemon-reload 
service docker restart