initial sample mattermost kubernetes manifests

k8s/mattermost.configmap.yaml

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+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: mattermost.config
+  namespace: default
+data:
+  config.json: |-
+    {
+      "ServiceSettings": {
+          "ListenAddress": ":80",
+          "MaximumLoginAttempts": 10,
+          "SegmentDeveloperKey": "",
+          "GoogleDeveloperKey": "",
+          "EnableOAuthServiceProvider": false,
+          "EnableIncomingWebhooks": false,
+          "EnableOutgoingWebhooks": false,
+          "EnablePostUsernameOverride": false,
+          "EnablePostIconOverride": false,
+          "EnableTesting": false,
+          "EnableSecurityFixAlert": true
+      },
+      "TeamSettings": {
+          "SiteName": "Mattermost",
+          "MaxUsersPerTeam": 50,
+          "EnableTeamCreation": true,
+          "EnableUserCreation": true,
+          "RestrictCreationToDomains": "",
+          "RestrictTeamNames": true,
+          "EnableTeamListing": false
+      },
+      "SqlSettings": {
+          "DriverName": "postgres",
+          "DataSource": "postgres://mmuser:mmuser_password@mattermost-db:5432/mattermost?sslmode=disable&connect_timeout=10",
+          "DataSourceReplicas": [],
+          "MaxIdleConns": 10,
+          "MaxOpenConns": 10,
+          "Trace": false,
+          "AtRestEncryptKey": "7rAh6iwQCkV4cA1Gsg3fgGOXJAQ43QVg"
+      },
+      "LogSettings": {
+          "EnableConsole": false,
+          "ConsoleLevel": "INFO",
+          "EnableFile": true,
+          "FileLevel": "INFO",
+          "FileFormat": "",
+          "FileLocation": ""
+      },
+      "FileSettings": {
+          "DriverName": "local",
+          "Directory": "/mattermost/data/",
+          "EnablePublicLink": true,
+          "PublicLinkSalt": "A705AklYF8MFDOfcwh3I488G8vtLlVip",
+          "ThumbnailWidth": 120,
+          "ThumbnailHeight": 100,
+          "PreviewWidth": 1024,
+          "PreviewHeight": 0,
+          "ProfileWidth": 128,
+          "ProfileHeight": 128,
+          "InitialFont": "luximbi.ttf",
+          "AmazonS3AccessKeyId": "",
+          "AmazonS3SecretAccessKey": "",
+          "AmazonS3Bucket": "",
+          "AmazonS3Region": ""
+      },
+      "EmailSettings": {
+          "EnableSignUpWithEmail": true,
+          "SendEmailNotifications": false,
+          "RequireEmailVerification": false,
+          "FeedbackName": "",
+          "FeedbackEmail": "",
+          "SMTPUsername": "",
+          "SMTPPassword": "",
+          "SMTPServer": "",
+          "SMTPPort": "",
+          "ConnectionSecurity": "",
+          "InviteSalt": "bjlSR4QqkXFBr7TP4oDzlfZmcNuH9YoS",
+          "PasswordResetSalt": "vZ4DcKyVVRlKHHJpexcuXzojkE5PZ5eL",
+          "ApplePushServer": "",
+          "ApplePushCertPublic": "",
+          "ApplePushCertPrivate": ""
+      },
+      "RateLimitSettings": {
+          "EnableRateLimiter": true,
+          "PerSec": 10,
+          "MemoryStoreSize": 10000,
+          "VaryByRemoteAddr": true,
+          "VaryByHeader": ""
+      },
+      "PrivacySettings": {
+          "ShowEmailAddress": true,
+          "ShowFullName": true
+      },
+      "GitLabSettings": {
+          "Enable": false,
+          "Secret": "",
+          "Id": "",
+          "Scope": "",
+          "AuthEndpoint": "",
+          "TokenEndpoint": "",
+          "UserApiEndpoint": ""
+      }
+    }

k8s/mattermost.ing.yaml

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+---
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: mattermost
+spec:
+  rules:
+  - host: mattermost
+    http:
+      paths:
+      - backend:
+          serviceName: mattermost
+          servicePort: 80

k8s/mattermost.rc.yml

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+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: mattermost-app
+  labels:
+    app: mattermost
+    tier: app
+  namespace: default
+spec:
+  replicas: 1
+  selector:
+    app: mattermost
+    tier: app
+  template:
+    metadata:
+      name: mattermost-app
+      labels:
+        app: mattermost
+        tier: app
+    spec:
+      containers:
+      - name: mattermost-app
+        image: "mattermost/mattermost-prod-app"
+        env:
+        - name: DB_HOST
+          value: "mattermost-db"
+        volumeMounts:
+        - name: appconfig
+          mountPath: /mattermost/config
+        - name: appdata
+          mountPath: /mattermost/data
+        - name: etclocaltime
+          mountPath: /etc/localtime
+          readOnly: true
+      volumes:
+      - name: appconfig
+        configMap:
+          name: mattermost.config
+      - name: appdata
+        persistentVolumeClaim:
+          claimName: mattermost-app
+      - name: etclocaltime
+        hostPath:
+          path: /etc/localtime

k8s/mattermost.svc.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: mattermost
+  namespace: default
+spec:
+  type: NodePort
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: http
+  selector:
+    app: mattermost
+    tier: app