Update CloudronManifest.json and documentation files

README.md

@@ -4,10 +4,11 @@ This package provides Elasticsearch for Cloudron, configured for internal use on
 
 ## Features
 
-- Elasticsearch 8.17.3 (configurable)
+- Elasticsearch 8.17.3
 - Single-node configuration optimized for Cloudron
 - Security enabled with basic authentication
 - Internal access only
+- Automatic optimization based on container resources
 
 ## Usage
 
@@ -18,39 +19,53 @@ After installation, Elasticsearch will be available at the following URLs:
 
 ### Authentication
 
-Default credentials:
+Authentication credentials:
 - Username: `elastic`
-- Password: `cloudron`
+- Password: A secure random password is generated during installation
 
-It's recommended to change the default password after installation by updating the `.env` file and restarting the app.
+You can find the password in:
+1. The app logs after installation
+2. By accessing the app container
+3. The file at `/app/data/credentials.txt`
 
 ### Connection from other Cloudron apps
 
-To connect to Elasticsearch from another Cloudron app, you can use the following connection details:
+To connect to Elasticsearch from another Cloudron app, use the following connection details:
 
 ```
 Host: localhost
 Port: 9200
+Protocol: http
 Username: elastic
-Password: <your password from .env>
+Password: <password from credentials.txt>
 ```
 
-## Configuration
+Example connection using cURL:
 
-You can modify the configuration by editing the `.env` file in the app's data directory and restarting the app.
+```bash
+curl -u elastic:<password> http://localhost:9200
+```
 
-Available configuration options:
+## Security Notes
 
-- `ELASTIC_PASSWORD`: Password for the 'elastic' user
-- `STACK_VERSION`: Version of Elasticsearch to use
-- `CLUSTER_NAME`: Name of the Elasticsearch cluster
-- `LICENSE`: License type ('basic' or 'trial')
+- HTTP SSL is disabled for compatibility with most client applications
+- Transport protocol is secured with internal certificates
+- Authentication is required for all operations
+- All data is stored in the app's data directory
+
+## Performance Configuration
+
+The package automatically configures Elasticsearch based on the container's available resources:
+
+- Java heap size is set to 50% of available memory
+- GC optimization for container environments
+- Index settings tuned for single-node operation
 
 ## Limitations
 
 - This package is for internal use only and is not exposed to the web
 - It's configured as a single-node cluster for simplicity
-- Memory is limited to 1GB (configurable in CloudronManifest.json)
+- Memory usage scales with container limits set in Cloudron
 
 ## Support