improve(self-hosting): remove goose, custom migration, docs, remove zookeeper

docker-compose.yml

@@ -35,6 +35,7 @@ services:
       - ./docker/data/op-ch-logs:/var/log/clickhouse-server
       - ./self-hosting/clickhouse/clickhouse-config.xml:/etc/clickhouse-server/config.d/op-config.xml
       - ./self-hosting/clickhouse/clickhouse-user-config.xml:/etc/clickhouse-server/users.d/op-user-config.xml
+      - ./self-hosting/clickhouse/init-db.sh:/docker-entrypoint-initdb.d/init-db.sh:ro
     ulimits:
       nofile:
         soft: 262144
@@ -43,18 +44,3 @@ services:
       - "8123:8123" # HTTP interface
       - "9000:9000" # Native/TCP interface
       - "9009:9009" # Inter-server communication
-
-  op-zk:
-    image: clickhouse/clickhouse-server:24.3.2-alpine
-    volumes:
-      - ./docker/data/op-zk-data:/var/lib/clickhouse
-      - ./self-hosting/clickhouse/clickhouse-keeper-config.xml:/etc/clickhouse-server/config.xml
-    command: [ 'clickhouse-keeper', '--config-file', '/etc/clickhouse-server/config.xml' ]
-    restart: always
-    ulimits:
-      nofile:
-        soft: 262144
-        hard: 262144
-    ports:
-      - "9181:9181" # Keeper port
-      - "9234:9234" # Keeper Raft port