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tia Viewer Core settings may be specified either by environment variables in the container context or by providing a YAML configuration file:

  • configuration by environment variables is only viable for minimal configurations

  • configuration by YAML configuration file is required when requiring configuring of instances and more. Here only one environment variable to point to the YAML file is required (SPRING_CONFIG_ADDITIONALLOCATION).

Configuration using environment variables

As environment variables do not have any hierarchical order, the tia Viewer parameters must be qualified completely:

TIA_DESTINATIONS_SAPHTTP_HOST

While tia Viewer Core parameter names are case-sensitive and use the . (dot) character. Depending of the environment like cloud provider or package manager, environment variables must be all uppercase, use _ (underscore) character instead of ., and remove all - . Case-conversion required in this cases may cause undesired result.

Example for a docker-compose file with configuration using environment variables:

version: '3'
services:

  tiaviewer:
    container_name: tiaviewer
    image: images.docker.kgs-cloud.de/tia-viewer/archivelink-oidc:latest
    ports:
      - "8080:8080"
    environment:
      TIA_DESTINATIONS_SAPHTTP_HOST: contentservevr.kgs.local
      TIA_DESTINATIONS_SAPHTTP_PORT: 8090
      TIA_INSTANCES_DEFAULT_SAP_URL: https://sapServer:8400/tia/tia_viewer?sap-client=250
      TIA_INSTANCES_DEFAULT_SAP_USERNAME: secuser
      TIA_INSTANCES_DEFAULT_SAP_PASSWORD: s3cret
    volumes:
      - ./viewerlicense.json:/application/config/license/viewerlicense.json

Configuration using YAML file

YAML defines a text-file-format (typical file extensions used are .yaml and .yml) for configuration parameters with a hierarchical order by line intend. There is always one parameter setting per row only.

By the parent section and the intend before the parameter name hierarchical order is specified and replace the prefixes as used with environment variables.

  1. Prepare the YAML file in the directory of choice at the host

Using the file name viewer.yml is good practice to ease maintenance.

Example tia Viewer configuration file:

tia:
  destinations:
    saphttp:
      host: contentservevr.kgs.local
      port: 8090
  repositoryinstancemapping:
    FI: finance
    HR: finance
    TR: default
    ZI: production

  instances:
    default:
      watermark:
        text: "copy"
      sap:
        url: "https://sapServer:8400/tia/tia_viewer?sap-client=250"
        username: secuser
        password: s3cret
      mimetypes:
        - application/pdf
    finance:
      downloadDocument: false
      text: "confidential"    
    production:
      printDocumentNote: false    
      mimetypes.0: application/pdf

  1. Map the configuration file into the container context, and included into tia Viewer Core start procedure by specifying its location to the SPRING_CONFIG_ADDITIONALLOCATION environment variable.

Example docker compose file to load YAML file configuration:

version: '3'
services:

  tiaviewer:
    container_name: tiaviewer
    image: http://images.docker.kgs-cloud.de/tia-viewer/archivelink-oidc:latest 
    ports:
      - "8080:8080"
    volumes:
      - ./viewer.yml: /app/config/viewer.yml
      - ./viewerlicense.json:/application/config/license/viewerlicense.json
    environment:
      SPRING_CONFIG_ADDITIONALLOCATION: /app/config/viewer.yml

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