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Mattermost is the open source messaging platform for DevOps teams. Discuss topics in channels, private groups or one-to-one with rich Markdown formatting, and easily share code snippets with syntax highlighting for more than 50 programming languages.
This 1-Click App offers a Kubernetes Operator for Mattermost to simplify deploying and managing your Mattermost instance at production-ready scale. With this 1-Click App listing, you can deploy in moments and self-host team chat on your private cloud and connect in-house systems with plugins, Slack-compatible integrations, and extensive API support.
Mattermost is a scalable, open source collaboration tool. It's written in Golang and React. Learn more about Mattermost at https://mattermost.com. The Mattermost server source code is available at https://github.com/mattermost/mattermost-server.
After you have downloaded your kubeconfig file, and are able to successfully connect to your DigitalOcean Kubernetes cluster (see https://cloud.digitalocean.com/kubernetes/clusters/ if you haven’t connected to your cluster) follow the instructions below to start Mattermost.
If you don't have a Mattermost Enterprise license you can register for a trial license at https://mattermost.com/trial/. Create a file named
mattermost-license-secret.yaml with the following content:
apiVersion: v1 kind: Secret metadata: name: mattermost-license type: Opqaue stringData: license: %LICENSE_FILE_CONTENTS%
%LICENSE_FILE_CONTENTS% with the content of your Mattermost license.
Apply it to your Mattermost cluster with:
kubectl apply -f mattermost-license-secret.yaml
You can create a trial Mattermost cluster for 100 users quickly and easily by using the following settings, or alternatively if you have customized settings for your production deploy you can use those. This trial cluster will use nginx-ingress to establish the LoadBalancer and as a result, you'll require your own domain name and host name for this deployment.
Create a file named
mattermost-installation.yaml with the following content, ensuring to put your own domain in place of the
apiVersion: mattermost.com/v1alpha1 kind: ClusterInstallation metadata: name: mm-yourdomain-full spec: size: 500users image: mattermost/mattermost-enterprise-edition ingressName: mattermost.yourdomain.com ingressAnnotations: kubernetes.io/ingress.class: nginx version: 5.15.0 mattermostLicenseSecret: "mattermost-license" database: storageSize: 50Gi minio: storageSize: 50Gi elasticSearch: host: "" username: "" password: ""
You can read about customizations to your manifest at https://docs.mattermost.com/install/install-kubernetes.html#deploy-a-mattermost-installation
Apply it to your Mattermost cluster with:
kubectl create ns mattermost
kubectl apply -n mattermost -f mattermost-installation.yaml
Wait five minutes for the installation to complete, and then grab your LoadBalancer External IP with the following:
kubectl get svc ingress-nginx -n ingress-nginx
You'll see output similar to the following, and can add the LoadBalancer EXTERNAL-IP in your domain DNS as the hostname you specified in your installation manifest (above), in order to get started with Mattermost:
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE ingress-nginx LoadBalancer 10.245.19.17 22.214.171.124 80:31205/TCP,443:31407/TCP 38m
You can read more at https://docs.mattermost.com/install/install-kubernetes.html, including resource scaling guidelines for the number of users your installation will support.
For more information about how to use please follow: https://docs.mattermost.com/install/install-kubernetes.html
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