refactor: move backend to monorepo

backend/config/elasticsearch.ts

@@ -0,0 +1,35 @@
+// tslint:disable:no-default-export
+// tslint:disable:no-magic-numbers
+import {ElasticsearchConfigFile} from '../src/storage/elasticsearch/types/elasticsearch';
+
+/**
+ * This is the default configuration for elasticsearch (a database)
+ *
+ * University specific files can be created with following naming scheme: elasticsearch-<university license plate>.ts
+ *
+ * To select your university specific configuration which is merged from this default file and your university specific
+ * file, you have to supply the `NODE_APP_INSTANCE` environment variable with your license plate
+ *
+ * To select a different database you have to supply the `NODE_CONFIG_ENV` environment variable with a database name
+ * that is implemented in the backend
+ *
+ * To get more information about the meaning of specific fields please use your IDE to read the TSDoc documentation.
+ */
+const config: ElasticsearchConfigFile = {
+  internal: {
+    database: {
+      name: 'elasticsearch',
+      version: '5.6',
+      query: {
+        minMatch: '75%',
+        queryType: 'dis_max',
+        matchBoosting: 1.3,
+        fuzziness: 'AUTO',
+        cutoffFrequency: 0.0,
+        tieBreaker: 0,
+      },
+    },
+  },
+};
+
+export default config;