Merge pull request #19 from make-software/apple-m1-warning-notice

Added warning note about M1/M2 image issues.

Author: mrkara

BUILD.md

@@ -5,7 +5,7 @@
 To build the NCTL docker image run `docker build` as follows:
 
 ```bash
-docker build -f casper-nctl.Dockerfile --build-arg GITBRANCH=release-1.4.4 -t casper-nctl:v144 .
+docker build -f casper-nctl.Dockerfile --build-arg GITBRANCH=release-1.4.15 -t casper-nctl:v1415 .
 ```
 
 The argument `GITBRANCH` indicates which branch from the `casper-node` repository docker 
@@ -16,7 +16,7 @@ at the moment of writing these instructions. To keep other scripts independent o
 tag the image also as `latest` once the first build completes.
 
 ```bash
-docker tag casper-nctl:v144 casper-nctl:latest
+docker tag casper-nctl:v1415 casper-nctl:latest
 ```
 
 ## Test the docker image

README.md

@@ -1,5 +1,8 @@
 # Casper NCTL - Docker Container
 
+> **Warning**
+> Images published on Docker Hub are not stable on Apple computers with M1/M2 chips. We recommend that you build the docker image locally using the  [BUILD](./BUILD.md) instructions.
+
 [NCTL](https://github.com/casper-network/casper-node/tree/release-1.4.3/utils/nctl) is a CLI application to control one or multiple Casper networks locally. Many developers wish to spin up relatively small test networks to localize their testing before deploying to the blockchain.
 
 ## How to use this image

casper-nctl.Dockerfile

@@ -1,6 +1,6 @@
 FROM ubuntu:focal
 
-ARG GITBRANCH=release-1.4.8
+ARG GITBRANCH=release-1.4.15
 
 # DEBIAN_FRONTEND required for tzdata dependency install
 RUN apt-get update \