Remove postgres database from compose

compose.yml

@@ -1,15 +1,4 @@
 services:
-  plausible_db:
-    image: postgres:16-alpine
-    restart: always
-    volumes:
-      - db-data:/var/lib/postgresql/data
-    environment:
-      - POSTGRES_PASSWORD=postgres
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres"]
-      start_period: 1m
-
   plausible_events_db:
     image: clickhouse/clickhouse-server:24.12-alpine
     restart: always
@@ -43,8 +32,6 @@ services:
     restart: always
     command: sh -c "/entrypoint.sh db createdb && /entrypoint.sh db migrate && /entrypoint.sh run"
     depends_on:
-      plausible_db:
-        condition: service_healthy
       plausible_events_db:
         condition: service_healthy
     volumes:
@@ -94,7 +81,6 @@ services:
       - SENDGRID_API_KEY
 
 volumes:
-  db-data:
   event-data:
   event-logs:
   plausible-data: