Add GreptimeDB Alpine service packaging

packaging/alpine/local/greptimedb/flownode.toml

@@ -0,0 +1,38 @@
+node_id = 1
+
+[flow]
+
+[flow.batching_mode]
+
+[flow.batching_mode.frontend_tls]
+
+[grpc]
+bind_addr = "127.0.0.1:6800"
+server_addr = "127.0.0.1:6800"
+runtime_size = 2
+max_recv_message_size = "512MB"
+max_send_message_size = "512MB"
+
+[http]
+addr = "127.0.0.1:4005"
+timeout = "0s"
+body_limit = "64MB"
+
+[meta_client]
+metasrv_addrs = ["127.0.0.1:3002"]
+timeout = "3s"
+ddl_timeout = "10s"
+connect_timeout = "1s"
+tcp_nodelay = true
+metadata_cache_max_capacity = 100000
+metadata_cache_ttl = "10m"
+metadata_cache_tti = "5m"
+
+[heartbeat]
+interval = "3s"
+retry_interval = "3s"
+
+[logging]
+dir = "/var/log/greptimedb/flownode"
+level = "info"
+enable_otlp_tracing = false