Created backstage helm chart

Author: adityasinghal26

deployment/kubernetes/backstage/helm/Chart.yaml

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+apiVersion: v2
+name: backstage
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "0.1.0"

deployment/kubernetes/backstage/helm/templates/backstage-secret.yaml

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+# kubernetes/backstage-secrets.yaml
+apiVersion: v1
+kind: Secret
+metadata:
+  name: backstage-secrets
+  namespace: backstage
+type: Opaque
+stringData:
+  GITHUB_TOKEN: 

deployment/kubernetes/backstage/helm/templates/backstage-service.yaml

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+# kubernetes/backstage-service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: backstage
+  namespace: backstage
+spec:
+  selector:
+    app: backstage
+  ports:
+    - name: http
+      port: 80
+      targetPort: http

deployment/kubernetes/backstage/helm/templates/deployment.yaml

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+# kubernetes/backstage.yaml
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: backstage
+  namespace: backstage
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: backstage
+  template:
+    metadata:
+      labels:
+        app: backstage
+    spec:
+      containers:
+        - name: backstage
+          image: localhost:5001/backstage:0.1.0
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 7007
+          envFrom:
+            - secretRef:
+                name: postgres-secrets
+            - secretRef:
+                name: backstage-secrets
+# Uncomment if health checks are enabled in your app:
+# https://backstage.io/docs/plugins/observability#health-checks
+#          readinessProbe:
+#            httpGet:
+#              port: 7007
+#              path: /healthcheck
+#          livenessProbe:
+#            httpGet:
+#              port: 7007
+#              path: /healthcheck