From 1b36e49270718cc358c3cb725d84dce888bb97dd Mon Sep 17 00:00:00 2001 From: test2 Date: Sun, 8 Mar 2020 23:35:09 +0200 Subject: [PATCH] docker 3 --- DockerSwarm/Intro-Cloud.adoc | 71 +++++++++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 2 deletions(-) diff --git a/DockerSwarm/Intro-Cloud.adoc b/DockerSwarm/Intro-Cloud.adoc index 26a9498..d9013df 100644 --- a/DockerSwarm/Intro-Cloud.adoc +++ b/DockerSwarm/Intro-Cloud.adoc @@ -1,4 +1,4 @@ -= Εισαγωγή στο Cloud ! += Cloud ! Apostolos rootApostolos@swarmlab.io // Metadata: :description: IoT Εισαγωγή στο Cloud @@ -197,7 +197,7 @@ This command is used to display all the images currently installed on the system Docker Hub is a registry service on the cloud that allows you to download Docker images that are built by other communities. You can also upload your own Docker built images to Docker hub. -To run apache, you need to run the following command − +To run apache, you need to run the following command: .run docker image from Docker Hub [source,sh] @@ -300,7 +300,74 @@ Options ContainerID − This is the Container ID which needs to be removed. ---- +==== Container Logging +Logging is also available at the container level. + +.docker log +[source,sh] +---- +Docker logs containerID + +Parameters + + containerID − This is the ID of the container for which you need to see the logs. +---- + +=== Volumes + +Volumes are the preferred mechanism for persisting data generated by and used by Docker containers. + +.docker volumes +[source,sh] +---- +docker run -d --name mycontainer -v /var/www/html:/var/html nginx:latest +---- + + +=== repositories + +You might have the need to have your own private repositories. You may not want to host the repositories on Docker Hub. For this, there is a repository container itself from Docker. Let’s see how we can download and use the container for registry. + + +=== Create + +.docker registry +[source,sh] +---- +docker run –d –p 5000:5000 –-name registry registry:2 + +The following points need to be noted about the above command: + + Registry is the container managed by Docker which can be used to host private repositories. + + The port number exposed by the container is 5000. Hence with the –p command, we are mapping the same port number to the 5000 port number on our localhost. + + We are just tagging the registry container as “2”, to differentiate it on the Docker host. + + The –d option is used to run the container in detached mode. This is so that the container can run in the background +---- + + +=== Push + +use the Docker push command to push the image to our private repository. + +.docker registry +[source,sh] +---- +docker push localhost:5000/myimage +---- + +=== Pull + +use the following Docker pull command to pull image from our private repository. + +.docker registry +[source,sh] +---- +docker pull localhost:5000/myimage +----