created dir chart for release[]

Author: pratikshinde590

.helmignore renamed to charts/.helmignore

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+
+# Sparrow API Helm Chart
+
+This repository contains the Helm chart for deploying the `sparrow-api` application. The chart allows for easy deployment, scaling, and configuration of the API on Kubernetes clusters.
+
+## Prerequisites
+
+Before installing the `sparrow-api` Helm chart, make sure the following dependencies are set up:
+
+1. **MongoDB**: Install MongoDB using Helm.
+   ```bash
+   helm repo add bitnami https://charts.bitnami.com/bitnami
+   helm install sparrow-mongodb bitnami/mongodb --namespace sparrow-dev
+   ```
+
+2. **Kafka**: Install Kafka using Helm.
+   ```bash
+   helm repo add bitnami https://charts.bitnami.com/bitnami
+   helm install sparrow-kafka bitnami/kafka --namespace sparrow-dev
+   ```
+
+Ensure that MongoDB and Kafka services are running and retrieve the connection URLs for each service, as they are required to configure the `sparrow-api` chart.
+
+## Installing the Chart
+
+1. **Add the Sparrow Helm Repository** (if hosted externally):
+   ```bash
+   helm repo add sparrow-api https://helm-chart-url
+   helm repo update
+   ```
+
+2. **Install the Chart**:
+   Replace `<namespace>` with your desired namespace (e.g., `sparrow-dev`).
+
+   ```bash
+   helm install sparrow-api sparrow-api/sparrow-api --namespace <namespace>
+   ```
+
+### Configuring MongoDB and Kafka URLs
+
+To configure the chart to connect to MongoDB and Kafka, pass in their URLs using `--set` or update the `values.yaml` file.
+
+#### Example with `--set`
+```bash
+helm install sparrow-api sparrow-api/sparrow-api --namespace sparrow-dev   --set secrets.DB_URL="mongodb://<username>:<password>@mongodb-service/"   --set secrets.KAFKA_BROKER="<KAFKA_URL>:9092"
+```
+
+### Configuration
+
+The following table lists common configurable parameters of the `sparrow-api` chart and their default values in `values.yaml`:
+
+| Parameter                             | Description                                          | Default                     |
+|---------------------------------------|------------------------------------------------------|-----------------------------|
+| `replicaCount`                        | Number of replicas for the API                       | `1`                         |
+| `autoscaling.enabled`                 | Enable horizontal pod autoscaling                    | `true`                      |
+| `autoscaling.minReplicas`             | Minimum number of replicas                           | `1`                         |
+| `autoscaling.maxReplicas`             | Maximum number of replicas                           | `10`                        |
+| `autoscaling.targetCPUUtilizationPercentage` | Target CPU usage percentage for scaling       | `70`                        |
+| `image.repository`                    | Docker image repository for sparrow-api              | `sparrowapi/sparrow-api`    |
+| `image.tag`                           | Image tag to use                                     | `v1`                        |
+| `service.port`                        | Port on which the service is exposed                 | `80`                        |
+| `service.targetPort`                  | Port the container listens on                        | `9000`                      |
+| `secrets.DB_URL`                      | MongoDB connection URL                               | (empty)                     |
+| `secrets.KAFKA_BROKER`                | Kafka broker URL                                     | (empty)                     |
+| `resources.requests.memory`           | Minimum memory guaranteed for the pod                | `1024Mi`                     |
+| `resources.limits.memory`             | Maximum memory allowed for the pod                   | `1648Mi`                    |
+
+### Example `values.yaml`
+
+Here's an example `values.yaml` configuration file:
+
+```yaml
+replicaCount: 1
+
+autoscaling:
+  enabled: true
+  minReplicas: 1
+  maxReplicas: 10
+  targetCPUUtilizationPercentage: 70
+
+image:
+  repository: sparrowapi/sparrow-api
+  pullPolicy: IfNotPresent
+  tag: v1
+
+service:
+  type: ClusterIP
+  port: 80
+  targetPort: 9000
+
+secrets:
+  DB_URL: "mongodb://<username>:<password>@mongodb-service/"
+  KAFKA_BROKER: "<KAFKA_URL>:9092"
+
+resources:
+  requests:
+    memory: 560Mi
+  limits:
+    memory: 1024Mi
+```
+
+## Accessing the Application
+
+1. **Using Port Forwarding** (for ClusterIP services):
+
+   ```bash
+   export POD_NAME=$(kubectl get pods --namespace sparrow-dev -l "app.kubernetes.io/name=sparrow-api" -o jsonpath="{.items[0].metadata.name}")
+   kubectl port-forward $POD_NAME 8080:9000 --namespace sparrow-dev
+   ```
+
+2. **Using LoadBalancer IP** (for LoadBalancer services):
+
+   ```bash
+   kubectl get svc --namespace sparrow-dev sparrow-api -o jsonpath="{.status.loadBalancer.ingress[0].ip}"
+   ```
+
+   Copy the IP address and access your application at `http://<LoadBalancer_IP>:80`.
+
+
+## Uninstalling the Chart
+
+To remove the `sparrow-api` release, use the following command:
+
+```bash
+helm uninstall sparrow-api --namespace sparrow-dev
+```
+
+This will remove all resources associated with the Helm release.
+
+---
+
+Feel free to reach out for any additional guidance or information!