Update mempool app to v2.2.0 (#856)

apps/mempool/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.7"
 
 services:
   web:
-    image: mempool/frontend:v2.1.2@sha256:69fefe55dc1eb4c8373c32d57362df7eeb672fc591d55033d68ae79355274dcc
+    image: mempool/frontend:v2.2.0@sha256:e3c3dd393c99018a69068b0a924dd24cf8de47389cb6ef2cfd0fe2d31d77f931
     user: "1000:1000"
     init: true
     restart: on-failure
@@ -17,7 +17,7 @@ services:
       default:
         ipv4_address: $APP_MEMPOOL_IP
   api:
-    image: mempool/backend:v2.1.2@sha256:58394cb35aad82b95ab2496fd4a6d3c983a712a1003454d94b0a53197d306f6d
+    image: mempool/backend:v2.2.0@sha256:5eb38b094288a6f12ac2e738ff5cff9257eaa8522ebf1d23827edebe4730ebf1
     user: "1000:1000"
     init: true
     restart: on-failure
@@ -30,13 +30,17 @@ services:
       RPC_PORT: $BITCOIN_RPC_PORT
       RPC_USER: $BITCOIN_RPC_USER
       RPC_PASS: $BITCOIN_RPC_PASS
-      ELECTRS_HOST: $ELECTRUM_IP
-      ELECTRS_PORT: $ELECTRUM_PORT
+      ELECTRUM_HOST: $ELECTRUM_IP
+      ELECTRUM_PORT: $ELECTRUM_PORT
+      ELECTRUM_TLS: "false"
       MYSQL_HOST: $APP_MEMPOOL_DB_IP
+      MYSQL_PORT: "3306"
       MYSQL_DATABASE: "mempool"
       MYSQL_USER: "mempool"
       MYSQL_PASS: "mempool"
+      BACKEND_MAINNET_HTTP_PORT: "8999"
       CACHE_DIR: "/backend/cache"
+      MEMPOOL_CLEAR_PROTECTION_MINUTES: "20"
     networks:
        default:
          ipv4_address: $APP_MEMPOOL_API_IP

apps/registry.json

@@ -3,7 +3,7 @@
         "id": "mempool",
         "category": "Explorers",
         "name": "Mempool",
-        "version": "2.1.2",
+        "version": "2.2.0",
         "tagline": "A mempool visualizer, explorer and fee estimator",
         "description": "Mempool is the official self-hosted version of the fully featured explorer, visualizer, fee estimator, and API service running on mempool.space, an open source project developed and operated for the benefit of the Bitcoin community, with a focus on the emerging transaction fee market to help our transition into a multi-layer ecosystem.\n\nFeatures:\n\n- Live dashboard visualizing the mempool and blockchain\n- Live transaction tracking\n- Search any transaction, block or address\n- Fee estimations\n- Mempool historical data\n- TV View for larger displays as a TV in a cafe or bar\n- View transaction scripts and op_return messages\n- Audio notifications on transaction confirmed and address balance change\n- Multiple languages support\n- JSON APIs",
         "developer": "mempool.space",