Docker

# HINTS
## add self to the docker group (run docker without sudo)
sudo gpasswd -a myusername docker

# Detach the tty without exiting the shell, use the escape sequence Ctrl-p + Ctrl-q

# DOWNLOAD an Linux image
docker pull ubuntu
docker pull ubuntu:14.04
docker pull debian:wheezy


# LIST all images
docker images

# Remove one or more containers
docker rm CONTAINER_ID

# Remove one or more images
docker rmi IMAGE_ID

# START container
docker run -i -t ubuntu:13.04 /bin/bash

# List Runing Containers
docker ps

# List all containers
docker ps -a

# COMMIT container modifications --- | containerID | repository name
docker commit -m "Optional comments" b3f5e7de5ad4 ubuntu_1304_lemp

# Show containerid to last container
docker ps -l -q

# Show ipadress to container
docker inspect CONTAINERID | grep IPAddress | cut -d '"' -f 4




# SAVE in remote Repository
docker login
docker commit $CONTAINER_ID mariorez/repo_name
docker push pvgomes/repo_name

# EXPORT container to a filesystem as a tar archive to STDOUT
docker export $CONTAINER_ID > latest.tar

# IMPORT container
## from remote location:
docker import http://example.com/exampleimage.tgz
## from local file:
cat exampleimage.tgz | sudo docker import - exampleimagelocal:new

# START the new container with port redirection
## -p -> publish a container's port to the host
## format: ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort
## (use 'docker port' to see the actual mapping)
docker run -i -t -p 80:80 ubuntu_1304_lemp /bin/bash


### TAGGING

docker tag IMAGEID name:tagname

example:
docker tag 0f46779145c9 base:5.3



### Creating
1º Up onde docker image
docker run -i -t ubuntu:14.04 /bin/bash

2º Get the containet id
docker ps

3º commit the container using new repo name
docker commit -m "image" 1debfc84f8cf pvgomes/lemp

4º listing images
docker images 

5º You did see your image, push this
docker push pvgomes/lemp



#Expose you container for other machines (in you machine)
sudo iptables -t nat -A  DOCKER -p tcp --dport 88 -j DNAT --to-destination 172.17.0.2:80