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Preparing container runtime

Deploying software as containers requires a container runtime. This documentation provides the required information. It also provides examples for docker container runtime.

Installation of docker or another container runtime following Open Container Initiative (OCI) standard is prerequisite for deploying tia Viewer as container.

Images for deployment of tia Core are stored at https://images.docker.kgs-cloud.de .

An account is required. It is provided for licensed installations via kgs Customer Support.

Images that are no longer supported will be removed without further notice.

Example preparation with docker container runtime:

docker login https://images.docker.kgs-cloud.de

Docker will prompt for user and password.

Deploying tia Viewer

Deploying tia Core requires a license file. This file is provided by kgs.

Configuration is possible using environment variables for simple test systems, or using a YAML file (e.g. viewer.yml) which is recommended for more complex deployments. For more information see Configuration (Vc).

Finally prepare the command to start the container based on the specific requirements according to the following table:

Docker parameter

Placeholder name to be replaced

Mapping to container-configuration

Explanation

--name

<Name>

Give the tia Viewer container a custom name. This name is also the application context name.

Hint: It is possible to start multiple instances of the same containers with different ports and different names.

-p

<Hostport>

SERVER_PORT

<Hostport>: Listener port on host that forwards to the listener port in the container, which is configured by server.port application-wide setting (default: 8080).

-v

<License Folder>

/application/config/license/

The location on host system where the license file resides.

Alternatively, only the license file may be mapped:

-v ./viewerlicense.json:/application/config/license/viewerlicense.json

-v

<config directory>

/application/config

Mapping the configuration directory to the container context.

-e

/application/config/viewer.yml

SPRING_CONFIG_ADDITIONALLOCATION

The YAML configuration file for the tia Viewer (typically named viewer.yml). If not provided, built-in defaults will be applied.

Alternatively, for minimal installation configuration using environmental variable only is available.

For more information, see Configuration (Vc) .

-e

<Loglevel>

LOGGING_LEVEL_ROOT

The log level sets the verbosity of the log writing. Valid are: OFF; ERROR; WARN; INFO orDEBUG.It is recommended to use ERROR or WARN in production environments and WARN or INFO in test systems. Set DEBUG level only when being ask be kgs Customer Support.

-d

Run as daemon in background

<Image>

Referencing the image as last parameter in the docker command.

The image is referenced like this:

images.docker.kgs-cloud.de/tia-viewer/<Product:<Version>

with

<Product>: The tia Core product to be deployed: archivelink-oidc.

<Version>: The version of tia Core to be deployed. kgs recommends to use the latest available version.For this use latest.

Template of docker run command for copy & paste:

docker run --name <Name> -p <Hostport>:<Containerport>  -v <License Folder>:/application/config/license/ -v <Config directory>:/application/config -e SPRING_CONFIG_ADDITIONALLOCATION=/application/config/viewer.yml -e LOGGING_LEVEL_ROOT=<Loglevel>  -d <Image>

Example:

docker run --name viewer-AL -p 8080:8080   -v ./tiacore/license:/application/config/license/ -v ./tiacore/config:/application/config -e SPRING_CONFIG_ADDITIONALLOCATION=/application/config/viewer.yml -e LOGGING_LEVEL_ROOT=INFO  -d images.docker.kgs-cloud.de/tia-viewer/archivelink-oidc:latest

Explanation of docker command:

The parameter -p maps ports, and -v volumes (directories or files) between host and container. -e sets environmental variables in the container.

Using -v allows to store data like configuration permanently at host, edit, maintain it there, even when the container is started, destroyed and restarted again.

Hint: When host is running Windows, the path may contain drive letter with colon ( : ) and backslashes ( \ ). Use quotation marks and double the backslash to allow correct interpretation.

E.g.: -v "G:\\host\\location":/container/location

For information about configuration of tia Viewer by environmental variables see Configuration (Vc) .

When the tia Core container is running,

  • access its health status in web browser. <http|https>://<host>:<port>/actuator/health

  • customize SAP to use the viewer: SAP Customizing (Vc)


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