fixed crash and autorestart

db_async.py

@@ -23,7 +23,7 @@ telemetry_events = Table(
     "telemetry_events",
     metadata,
     Column("id", Integer, primary_key=True),
-    Column("character_name", String, nullable=False),
+    Column("character_name", String, nullable=False, index=True),
     Column("char_tag", String, nullable=True),
     Column("session_id", String, nullable=False, index=True),
     Column("timestamp", DateTime(timezone=True), nullable=False, index=True),

docker-compose.yml

@@ -34,7 +34,7 @@ services:
 
   # TimescaleDB service for telemetry data storage
   db:
-    image: timescale/timescaledb:latest-pg14
+    image: timescale/timescaledb:2.19.3-pg14
     container_name: dereth-db
     environment:
       POSTGRES_DB: dereth
@@ -44,6 +44,12 @@ services:
       - timescale-data:/var/lib/postgresql/data
     ports:
       - "5432:5432"
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 30s
+      timeout: 5s
+      retries: 5
     logging:
       driver: "json-file"
       options: