feat: implement index by date and city

backend/by_date.json

@@ -0,0 +1,9 @@
+{
+    "index": {
+      "fields": [
+        {"date": "desc"}
+      ]
+    },
+    "name": "by_date",
+    "type": "json"
+  }

backend/by_date_and_city.json

@@ -0,0 +1,10 @@
+{
+    "index": {
+      "fields": [
+        {"city": "desc"},
+        {"date": "desc"}
+      ]
+    },
+    "name": "by_date_and_city",
+    "type": "json"
+  }

docker-compose.yml

@@ -42,6 +42,20 @@ services:
     command:
       - |
         curl -X POST http://backend:5984/helios/_bulk_docs -H "Content-Type: application/json" -d @/sample_data.json
+    depends_on:
+      accessible_backend:
+        condition: service_completed_successfully
+
+  index:
+    image: curlimages/curl
+    entrypoint: ["/bin/sh","-c"]
+    volumes:
+      - ./backend/by_date.json:/by_date.json
+      - ./backend/by_date_and_city.json:/by_date_and_city.json
+    command:
+      - |
+        curl -X POST http://backend:5984/helios/_index -H "Content-Type: application/json" -d @/by_date.json -u '${COUCHDB_USER}:${COUCHDB_PASSWORD}'
+        curl -X POST http://backend:5984/helios/_index -H "Content-Type: application/json" -d @/by_date_and_city.json -u '${COUCHDB_USER}:${COUCHDB_PASSWORD}'
     depends_on:
       accessible_backend:
         condition: service_completed_successfully