Minor fixes to the Dockerfile, Entrypoint and Readme

Docker/Dockerfile

@@ -39,7 +39,7 @@ RUN curl -fsSL https://bazel.build/bazel-release.pub.gpg | gpg --dearmor > bazel
     && mv bazel.gpg /etc/apt/trusted.gpg.d/ \
     && echo "deb [arch=amd64] https://storage.googleapis.com/bazel-apt stable jdk1.8" | tee /etc/apt/sources.list.d/bazel.list \
     && curl https://bazel.build/bazel-release.pub.gpg | apt-key add - \
-    && apt-get update && apt-get install -y bazel=5.0.0 \
+    && apt-get update && apt-get install -y bazel=6.0.0 \
     && rm /etc/apt/sources.list.d/bazel.list
 
 # Set the working directory

README.md

@@ -356,4 +356,10 @@ We also provide access to a [deployment script](https://github.com/resilientdb/r
    docker exec -it myserver bash
    ```
 
+5. **NOTE: If you encounter a Connection Refused error**
+   Run the following command within the container:
+   ```shell
+   ./service/tools/kv/server_tools/start_kv_service.sh
+   ```
+
    Verify the functionality of the service by performing set and get operations provided above [functions](README.md#functions).

entrypoint.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 #
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file