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Docker add Portmapping in existing Container
Just got this from:
https://stackoverflow.com/questions/19335444/how-do-i-assign-a-port-mapping-to-an-existing-docker-container
or:
https://mybrainimage.wordpress.com/2017/02/05/docker-change-port-mapping-for-an-existing-container/
If you run docker run <NAME>
it will spawn a new image, which most likely isn't what you want.
If you want to change a current image do the following:
docker ps -a
Take the id of your target container and go to:
cd /var/lib/docker/containers/<conainerID><and then some:)>
Stop the container:
docker stop <NAME>
Change the files
vi config.v2.json
"Config": {
....
"ExposedPorts": {
"80/tcp": {},
"8888/tcp": {}
},
....
},
"NetworkSettings": {
....
"Ports": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "80"
}
],
And change file
vi hostconfig.json
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "80"
}
],
"8888/tcp": [
{
"HostIp": "",
"HostPort": "8888"
}
]
}
Restart your docker and it should work.
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