To export a Docker image ( php: latest, let’s say), select the Docker image and click on Export as marked in the screenshot below. You can export a Docker image from the Docker app to your Synology NAS shares. You can manage your downloaded Docker images from the Image section of the Docker app. The size of the Docker images you’ve downloaded should be displayed in the Image section, as you can see in the screenshot below. I have downloaded another Docker image php: latest, as you can see in the screenshot below.
#Docker network port download
Once the download is complete, the disk icon ( ) animation should stop. Navigate to the Image section to see the download progress.Īs you can see, the httpd: latest Docker image is being downloaded.Īs long as the Docker image is downloaded, the Disk icon ( ) will animate. Select the tag of your selected Docker image from the dropdown menu you want to download and click on Select as marked in the screenshot below.Īs you can see, 1 new image is being downloaded. If you like a Docker image and you would like to download it, select it and click on Download as marked in the screenshot below. You can find all the information you need about the httpd Docker image on this page. If you like a Docker image and would like to know more about it, click on the icon to visit that Docker image’s official web page.For example, to know more about the httpd Docker image, click on the icon as marked in the screenshot below.Ī new browser tab should open the Docker Hub page of the httpd Docker image, as you can see in the screenshot below. The Docker images that matched the search keyword should be listed. To download a Docker image from the Docker Hub registry, type in your search keyword ( httpd, let’s say) and click on Search as marked in the screenshot below.
#Docker network port how to
I will show you how to add your own Docker registry in a later section of this article. You can add other Docker registries and download Docker images from there as well. By default, the Docker images available in the Docker Hub registry are displayed. You can download Docker images from the Registry tab of the Docker app. If you don’t want to see it every time you open the Docker app, check the Don’t show this again checkbox and close the dialog window as marked in the screenshot below. You can also open the Docker app from the Main Menu of Synology Web GUI, as marked in the screenshot below.Īs you’re running the Docker app for the first time, you will see the following dialog window. You can click on Open to open the Docker app from the Package Center app as marked in the screenshot below. It may take a few seconds to complete.Īt this point, the Docker app should be installed.
#Docker network port install
Select the volume you want to install and keep Docker data using the dropdown menu and click on Next as marked in the screenshot below. The Docker app should be listed, as you can see in the screenshot below.Ĭlick on Install to install the Docker app on your Synology NAS. To use Docker on your Synology NAS, you need to install the Docker app from the Synology Web GUI.įirst, open the Package Center app from the Synology Web GUI. Synology NAS products officially support Docker. In this article, I will show you how to install and use Docker on Synology NAS. Docker containers require a very little amount of memory and system resources to run. If you don’t have enough memory to run virtual machines on your Synology NAS, you can run Docker containers instead. Docker can be an alternative to virtual machines. Synology NAS has official support for Docker. Docker is used to running lightweight containers on your computer. Connecting by the IP address will time out: :/# curl 172.23.0.Docker is a containerization platform. Mind that we can't connect to the “test3” container because it's in a different network. Docker's builtin DNS service will resolve the address for us: :/# curl test2:8080 Since we're inside the Docker's network, we can also use the alias instead of the IP address. Then, use curl to send a request to the “test2” container: :/# curl 172.22.0.2:8080 Communication Between Containersįirst, let's get inside the “test1” container: $ docker exec -it b09a8f47e2a8 /bin/bash First, let's list all containers with their identifiers: $ docker ps -format 'table 'Īlternatively, we can print hosts directly from a container using the docker exec command: $ docker exec 78c10f03ad89 cat /etc/hostsġ72.23.0.3ė8c10f03ad89 5. Similarly, we can inspect a specific container.
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