diff --git a/docker/shared_testnet/README.md b/docker/shared_testnet/README.md
index 341de6339..07ddfbad1 100644
--- a/docker/shared_testnet/README.md
+++ b/docker/shared_testnet/README.md
@@ -8,9 +8,13 @@ mkdir tmp
 docker run --rm --mount type=bind,source="$(pwd)"/tmp,target=/root/.cache/nimbus --name testnet2 statusteam/nimbus_beacon_node:testnet2 --build
 ls -l tmp/nim-beacon-chain/build
 docker run --rm --mount type=bind,source="$(pwd)"/tmp,target=/root/.cache/nimbus --name testnet2 -p 127.0.0.1:8008:8008 -p 9000:9000 statusteam/nimbus_beacon_node:testnet2 --run -- --metrics-address=0.0.0.0
+
 # from another terminal
 docker ps
 docker stop testnet2
+
+# when you're happy with the Docker image:
+make -C docker/shared_testnet push
 ```
 
 Setting up the remote servers, from the "infra-nimbus" repo:
@@ -19,6 +23,16 @@ Setting up the remote servers, from the "infra-nimbus" repo:
 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]
+
+# faster way to pull the Docker image and recreate the containers
+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 up --no-start beacon_node; echo '---'" | sed 's/\\n/\n/g'
+
+# build beacon_node in an external volume
 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'
+
+# TODO: create and copy validator keys
+
+# start the containers
+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 up -d beacon_node; echo '---'" | sed 's/\\n/\n/g'
 ```