Replace mongo with Firestore

docker-compose.yml

@@ -5,30 +5,17 @@ services:
     container_name: radio-c2-brain
     restart: always
     environment:
-      - MONGO_URI=mongodb://${MONGO_INITDB_ROOT_USERNAME}:${MONGO_INITDB_ROOT_PASSWORD}@db:27017/radio_c2?authSource=admin
+      - FIREBASE_CRED_JSON=${FIREBASE_CRED_JSON:-}
+      - FIRESTORE_DB_ID=${FIRESTORE_DB_ID:-c2-server}
       - MQTT_BROKER=mqtt-broker
       - PORT=8000
     depends_on:
-      - db
       - mqtt-broker
     ports:
       - "8000:8000"
     networks:
       - radio-shared-net
 
-  # The Memory (MongoDB)
-  db:
-    image: mongo:latest
-    container_name: radio-db
-    restart: always
-    environment:
-      - MONGO_INITDB_ROOT_USERNAME=${MONGO_INITDB_ROOT_USERNAME}
-      - MONGO_INITDB_ROOT_PASSWORD=${MONGO_INITDB_ROOT_PASSWORD}
-    volumes:
-      - mongo_data:/data/db
-    networks:
-      - radio-shared-net
-
   # The Post Office (MQTT Broker)
   mqtt-broker:
     image: eclipse-mosquitto:latest
@@ -46,7 +33,4 @@ services:
 
 networks:
   radio-shared-net:
-    external: true
-
-volumes:
-  mongo_data:
+    external: true