update Dockerfile and default configuration (#3)

Dockerfile

@@ -12,13 +12,16 @@ FROM debian:10.2-slim
 ENV DEBIAN_FRONTEND noninteractive
 
 RUN apt-get update && apt-get install -y \
-        ca-certificates && \
-    apt-get clean && rm -rf /var/lib/apt/lists/* && \
-    groupadd -r drone && \
-    useradd --no-log-init -r -g drone drone
+        ca-certificates; \
+    apt-get clean; \
+    rm -rf /var/lib/apt/lists/*; \
+    groupadd -r bee --gid 999; \
+    useradd -r -g bee --uid 999 --no-log-init -m bee;
 
 COPY --from=build /src/dist/bee /usr/local/bin/bee
 
-USER drone
+EXPOSE 6060 7070 8080
+USER bee
+WORKDIR /home/bee
 
 ENTRYPOINT ["bee"]

cmd/bee/cmd/start.go

@@ -142,7 +142,7 @@ func (c *command) initStartCmd() (err error) {
 	cmd.Flags().Bool(optionNameP2PDisableWS, false, "disable P2P WebSocket protocol")
 	cmd.Flags().Bool(optionNameP2PDisableQUIC, false, "disable P2P QUIC protocol")
 	cmd.Flags().StringSlice(optionNameBootnodes, nil, "initial nodes to connect to")
-	cmd.Flags().String(optionNameDebugAPIAddr, "", "debug HTTP API listen address, e.g. 127.0.0.1:6060")
+	cmd.Flags().String(optionNameDebugAPIAddr, ":6060", "debug HTTP API listen address")
 	cmd.Flags().Int32(optionNameNetworkID, 1, "ID of the Swarm network")
 	cmd.Flags().Int(optionNameConnectionsLow, 200, "low watermark governing the number of connections that'll be maintained")
 	cmd.Flags().Int(optionNameConnectionsHigh, 400, "high watermark governing the number of connections that'll be maintained")