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    7. Self-host GroupDocs.Viewer Cloud with Docker

    Self-host GroupDocs.Viewer Cloud with Docker

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    Docker is an open platform that effectively solves three main tasks development, deployment, and running the applications. With Docker, you can isolate your applications from the infrastructure that simplifies software development and delivery. The main building blocs are images and containers. The image includes everything you need to run the application: code or binaries, runtime dependencies, file system. The container is an isolated process with additional features that you can interact with. The use of containers to deploy applications is called containerization.

    Docker Hub is a repository or library of the container images where you can share and find images.

    Self-hosting

    The GroupDocs.Viewer Cloud Container Image available at https://hub.docker.com/r/groupdocs/viewer-cloud and enables users to self-host GroupDocs.Viewer Cloud.

    To run the GroupDocs.Viewer Cloud in Docker the Docker itself should be installed on your machine.

    Install Docker

    Check Get Started section for Docker installation for your platform. After you installed and started Docker on your local machine we can run the container.

    Note
    When running Docker on Windows make sure to switch to Linux containers by clicking on Docker icon in the tray and selecting “Switch to Linux containers…” (see https://docs.docker.com/docker-for-windows/#switch-between-windows-and-linux-containers for more details.)

    Run Container

    Before running the container you can create two optional folders with files to process and custom fonts that we’ll be mounted and available to GroupDocs.Viewer Cloud service when we start the container.

    To run GroupDocs.Viewer Cloud in Docker type one of the following commands:

    Note
    In case you don’t have license keys you can omit LICENSE_PUBLIC_KEY and LICENSE_PRIVATE_KEY parameters. Without license GroupDocs.Viewer will work in evaluation mode.
    docker run `
    -p 8080:80 `
    -v "${pwd}/fonts:/fonts" `
    -v "${pwd}/data:/data" `
    -e "LICENSE_PUBLIC_KEY#public_key" `
    -e "LICENSE_PRIVATE_KEY#private_key" `
    --name viewer_cloud `
    groupdocs/viewer-cloud

    docker run \
    -p 8080:80 \
    -v $(pwd)/fonts:/fonts \
    -v $(pwd)/data:/data \
    -e LICENSE_PUBLIC_KEY#public_key \
    -e LICENSE_PRIVATE_KEY#private_key \
    --name viewer_cloud \
    groupdocs/viewer-cloud

    The Docker would download GroupDocs.Viewer Cloud image from Docker Hub and start a container. While downloading the image the output similar to shown on screenshot would be printed to the console:

    Note
    I’m running Docker on Windows and will be using PowerShell to run the commands but the experience would be the same in case you’re on Linux.

    Docker image downloading process

    After the container is started you’ll see the following messages that indicate that GroupDocs.Viewer Cloud service up and running.

    Docker container started

    Now you can work with GroupDocs.Viewer Cloud which is hosted on your machine.

    Health-check

    When the container and GroupDocs.Viewer Cloud started you can check service status by calling GET http://localhost:8080/. The successful response status (200) will indicate that the service is up and running.

    Invoke-WebRequest -Uri http://localhost:8080/

    curl -i http://localhost:8080/

    At the following screenshot, I’m calling http://localhost:8080/ in a separate Powershell window and response indicates that service is alive:

    Health check

    Using UI

    After starting, you can use Swagger UI at http://localhost:8080/swagger/ and explore the API. With Swagger UI you can call API methods in your browser.

    Swagger UI

    Using SDK

    We generate our SDKs in different languages so you may check if yours is available at GitHub. SDKs require authentication, so predefined CLIENT_ID/CLIENT_SECRET parameters must be set.

    Note
    If you don’t find your language in the SKD list, feel free to request for it on our Support Forums, or use raw REST API requests as you can find it here.

    The authentication is required in case you’re going to use SDK. To enable authentication set CLIENT_ID & CLIENT_SECRET parameters as it shown below.

    docker run `
    -p 8080:80 `
    -v "${pwd}/fonts:/fonts" `
    -v "${pwd}/data:/data" `
    -e "LICENSE_PUBLIC_KEY#public_key" `
    -e "LICENSE_PRIVATE_KEY#private_key" `
    -e "client_id=client_id" `
    -e "client_secret=client_secret" `
    --name viewer_cloud `
    groupdocs/viewer-cloud

    docker run \
    -p 8080:80 \
    -v $(pwd)/fonts:/fonts \
    -v $(pwd)/data:/data \
    -e LICENSE_PUBLIC_KEY#public_key \
    -e LICENSE_PRIVATE_KEY#private_key \
    -e client_id=client_id \
    -e client_secret=client_secret \
    --name viewer_cloud \
    groupdocs/viewer-cloud

    Then, when using SDK, setup the api base url, as shown in examples below:

    // For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-dotnet-samples
string ClientId = ""; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud
string ClientSecret = ""; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud

var configuration = new Configuration(ClientId, ClientSecret)
{
    ApiBaseUrl = "http://localhost:8080"
};
var apiInstance = new InfoApi(configuration);
var response = apiInstance.GetSupportedFileFormats();

    // For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-java-samples
String ClientId = ""; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud
String ClientSecret = ""; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud

Configuration configuration = new Configuration(ClientId, ClientSecret);
configuration.setApiBaseUrl("http://localhost:8080");

InfoApi apiInstance = new InfoApi(configuration);
FormatsResult response = apiInstance.getSupportedFileFormats();

    // For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-php-samples
use GroupDocs\Viewer\Model;
use GroupDocs\Viewer\Model\Requests;

$ClientId = ""; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud
$ClientSecret = ""; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud

$configuration = new GroupDocs\Viewer\Configuration();
$configuration->setAppSid($ClientId);
$configuration->setAppKey($ClientSecret);
$configuration->setApiBaseUrl("http://localhost:8080");

$infoApi= new GroupDocs\Viewer\InfoApi($configuration);

$response = $infoApi->getSupportedFileFormats();

    // For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-node-samples
global.viewer_cloud = require("groupdocs-viewer-cloud");

global.clientId = "XXXX-XXXX-XXXX-XXXX"; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud
global.clientSecret = "XXXXXXXXXXXXXXXX"; // Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud
const config = new Configuration(clientId, clientSecret);
config.apiBaseUrl = "http://localhost:8080";
global.infoApi = viewer_cloud.InfoApi.fromConfig(config);

let response = await infoApi.getSupportedFileFormats();

    # For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-python-samples
import groupdocs_viewer_cloud

client_id = "XXXX-XXXX-XXXX-XXXX" # Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud
client_secret = "XXXXXXXXXXXXXXXX" # Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud

configuration = Configuration(client_id, client_secret)
configuration.api_base_url = "http://localhost:8080"

infoApi = groupdocs_viewer_cloud.InfoApi.from_config(configuration)

result = infoApi.get_supported_file_formats()

    # For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-ruby-samples
require 'groupdocs_viewer_cloud'

$client_id = "XXXX-XXXX-XXXX-XXXX" # Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud
$client_secret = "XXXXXXXXXXXXXXXX" # Get ClientId and ClientSecret from https://dashboard.groupdocs.cloud

config = Configuration.new(client_id, client_secret)
config.api_base_url = "http://localhost:8080"

infoApi = GroupDocsViewerCloud::InfoApi.from_config(config)

result = infoApi.get_supported_file_formats()

    Enable Google Cloud Storage

    By default, a local storage used inside container for file operations. It’s possible to connect a Google Cloud storage by setting GOOGLE_APPLICATION_CREDENTIALS and GOOGLE_STORAGE_BUCKET environment variables.

    docker run `
    -p 8080:80 `
    -v "${pwd}/fonts:/fonts" `
    -v "${pwd}/data:/data" `
    -e "GOOGLE_APPLICATION_CREDENTIALS=/data/key.json" `
    -e "GOOGLE_STORAGE_BUCKET=bucket_id" `
    --name viewer_cloud `
    groupdocs/viewer-cloud

    docker run \
    -p 8080:80 \
    -v $(pwd)/fonts:/fonts \
    -v $(pwd)/data:/data \
    -e GOOGLE_APPLICATION_CREDENTIALS=/data/key.json \
    -e GOOGLE_STORAGE_BUCKET=bucket_id \
    --name viewer_cloud \
    groupdocs/viewer-cloud

    Stop Container

    To stop the running Docker container, just use Ctrl+C in the same terminal where the container is running. Alternatively, you can stop the container by name.

    docker stop viewer_cloud

    Licensing

    GroupDocs.Viewer Cloud can be started in trial and licensed modes. When GroupDocs.Viewer Cloud is working in trial mode the following limitations are applied:

    • You can convert only two first pages of the document
    • Evaluation watermarks added to the output

    You can find more information about evaluation at Evaluate GroupDocs.Viewer.

    DockerHub

    You can find more information at DockerHub.

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