Revising Dotenv::getConfig to support more custom Solr configurations.

README.md

@@ -91,15 +91,22 @@ DATABASE_URL=mysql://foo:bar@host:3306
 The default Solr connection can be configured via a [DSN](https://en.wikipedia.org/wiki/Data_source_name):
 
 ```dotenv
-SOLR_URL=host:port
+SOLR_URL=http://localhost
 ```
 
-For example:
+This package makes several assumptions, which can be overridden via the `SOLR_URL` DSN. The DSN in the
+example above is automatically expanded to:
 
 ```dotenv
-SOLR_URL=solr.foo.site:8983
+SOLR_URL=http://default@localhost:8983#default
 ```
 
+In the expanded example above, the `user` is the name of the Solr core & the `fragment` is the Drupal machine
+name for the connection. Consider revising Solr core & Drupal Solr server machine names to `default`,
+so the shorter DSN can be used.
+
+Streamlined environment-dependent configuration of _one_ Solr core is supported at this time.
+
 ##### Supported Placeholders
 * `{{app_path}}`: The path where Drupal is located.
 * `{{project_path}}`: The path where the project is located.

src/Dotenv.php

@@ -95,9 +95,13 @@ public function getConfig(): array
         $config = [];
         if (isset($_SERVER['SOLR_URL'])) {
             $parts = parse_url($_SERVER['SOLR_URL']);
-            $config['search_api.server.afa_solr']['backend_config']['connector_config'] = [
-                'host' => $parts['host'],
-                'port' => $parts['port'],
+            $name = $parts['fragment'] ?? 'default';
+            $config['search_api.server.' . $name]['backend_config']['connector_config'] = [
+                'scheme' => $parts['scheme'] ?? 'http',
+                'host' => $parts['host'] ?? 'localhost',
+                'port' => $parts['port'] ?? 8983,
+                'path' => $parts['path'] ?? '/',
+                'core' => $parts['user'] ?? 'default',
             ];
         }
         switch ($this->getEnvironmentName()) {