shared_testnet: fix Dockerfile

docker/shared_testnet/Dockerfile

@@ -11,5 +11,7 @@ ARG NETWORK
 ENV NETWORK=${NETWORK}
 
 STOPSIGNAL SIGINT
-ENTRYPOINT ["/root/nim-beacon-chain/docker/shared_testnet/entry_point.sh"]
+
+COPY "entry_point.sh" "/root/"
+ENTRYPOINT ["/root/entry_point.sh"]
 

docker/shared_testnet/README.md

@@ -1,6 +1,6 @@
 ## local testing
 
-From the "nim-beacon-chain" dir:
+From the "nim-beacon-chain" repo (top-level dir):
 
 ```text
 make -C docker/shared_testnet build
@@ -13,3 +13,12 @@ docker ps
 docker stop testnet2
 ```
 
+Setting up the remote servers, from the "infra-nimbus" repo:
+
+```text
+git pull
+ansible-galaxy install -g -f -r ansible/requirements.yml
+ansible-playbook ansible/nimbus.yml -i ansible/inventory/test -t beacon-node -u YOUR_USER -K -l nimbus-slaves[5:8]
+ansible nimbus-slaves[5:8] -i ansible/inventory/test -u YOUR_USER -o -m shell -a "echo; cd /docker/beacon-node-testnet2-1; docker-compose --compatibility run --rm beacon_node --build; echo '---'" | sed 's/\\n/\n/g'
+```
+