diff --git a/docker/beacon_node/Dockerfile b/docker/beacon_node/Dockerfile
index a9132722b..d3b5a2ed8 100644
--- a/docker/beacon_node/Dockerfile
+++ b/docker/beacon_node/Dockerfile
@@ -21,7 +21,7 @@ RUN export GOROOT=/usr/local/go \
  && git reset --hard ${GIT_REVISION} \
  && make update deps vendor/go/bin/p2pd nat-libs \
  && cp vendor/go/bin/p2pd /usr/bin/p2pd \
- && cat vendor/.nimble/pkgs/*/*
+ && cp docker/beacon_node/run_in_docker.sh /usr/bin/run_beacon_node.sh
 
 ARG NETWORK
 ARG NETWORK_TYPE
@@ -53,9 +53,10 @@ RUN apt update \
  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 COPY --from=build /usr/bin/beacon_node /usr/bin/beacon_node
+COPY --from=build /usr/bin/run_beacon_node.sh /usr/bin/run_beacon_node.sh
 COPY --from=build /usr/bin/p2pd /usr/bin/p2pd
 
 MAINTAINER Zahary Karadjov <zahary@status.im>
 LABEL description="Nimbus installation that can act as an ETH2 network bootstrap node."
 
-ENTRYPOINT ["/usr/bin/beacon_node"]
+ENTRYPOINT ["/usr/bin/run_beacon_node.sh"]
diff --git a/docker/beacon_node/run_in_docker.sh b/docker/beacon_node/run_in_docker.sh
new file mode 100755
index 000000000..16ec78a0a
--- /dev/null
+++ b/docker/beacon_node/run_in_docker.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+killall p2pd
+rm -rf /tmp/*
+
+beacon_node $*
+
diff --git a/docker/hosts.nims b/docker/hosts.nims
index e7bbccb3c..b652fd9d0 100644
--- a/docker/hosts.nims
+++ b/docker/hosts.nims
@@ -1,4 +1,5 @@
-import strformat
+import
+  strformat
 
 var
   serverCount = 10
@@ -11,8 +12,7 @@ var
   validatorsPerServer = systemValidators div serverCount
   validatorsPerNode = validatorsPerServer div instancesCount
 
-  network = "testnet1"
-  buildFlavour = "libp2p_spec"
+  network = "testnet0"
 
 type
   ContainerCmd = enum
@@ -22,23 +22,23 @@ type
 iterator containers: tuple[cmd: ContainerCmd, node, container: string, firstValidator, lastValidator: int] =
   for i in 0 ..< serverCount:
     let baseIdx = userValidators + i * validatorsPerServer
-    for j in 0 ..< instancesCount:
+    for j in 1 .. instancesCount:
       let firstIdx = baseIdx + j * validatorsPerNode
       let lastIdx = firstIdx + validatorsPerNode - 1
-      yield (restart, &"nimbus-node-0{i}", &"beacon-node-{buildFlavour}-{network}-{j}", firstIdx, lastIdx)
-    for j in instancesCount .. 2:
-      yield (stop, &"nimbus-node-0{i}", &"beacon-node-{buildFlavour}-{network}-{j}", -1, -1)
+      yield (restart, &"nimbus-node-0{i}", &"beacon-node-{network}-{j}", firstIdx, lastIdx)
 
-for i in 0 ..< serverCount:
-  let baseIdx = userValidators + i * validatorsPerServer
-  for j in 1 .. instancesCount:
-    let firstIdx = baseIdx + (j - 1) * validatorsPerNode
-    let lastIdx = firstIdx + validatorsPerNode - 1
-    let dockerPath = &"/docker/beacon-node-{buildFlavour}-{network}-{j}/data/BeaconNode/{network}"
-    echo &"ssh nimbus-node-0{i} 'sudo mkdir -p {dockerPath}/validators && sudo rm -f {dockerPath}/validators/* && " &
-                               &"sudo ~/nimbus/vendor/nim-beacon-chain/scripts/download_validator_keys.sh {network} {firstIdx} {lastIdx} {dockerPath} && " &
-                               &"sudo chown dockremap:docker -R {dockerPath}'"
+when false:
+  for i in 0 ..< serverCount:
+    let baseIdx = userValidators + i * validatorsPerServer
+    for j in 1 .. instancesCount:
+      let firstIdx = baseIdx + (j - 1) * validatorsPerNode
+      let lastIdx = firstIdx + validatorsPerNode - 1
+      let dockerPath = &"/docker/beacon-node-{network}-{j}/data/BeaconNode/{network}"
+      
+      echo &"ssh nimbus-node-0{i} 'sudo mkdir -p {dockerPath}/validators && sudo rm -f {dockerPath}/validators/* && " &
+                                 &"sudo ~/nimbus/vendor/nim-beacon-chain/scripts/download_validator_keys.sh {network} {firstIdx} {lastIdx} {dockerPath} && " &
+                                 &"sudo chown dockremap:docker -R {dockerPath}'"
 
-# for c in containers():
-#  echo &"ssh {c.node} docker {c.cmd} {c.container}"
+for c in containers():
+  echo &"ssh {c.node} docker {c.cmd} {c.container}"
 
diff --git a/scripts/create_nimble_link.sh b/scripts/create_nimble_link.sh
index e0dd313cf..84745207d 100644
--- a/scripts/create_nimble_link.sh
+++ b/scripts/create_nimble_link.sh
@@ -4,10 +4,10 @@ module_name="${1#*/}"
 
 if [ `ls -1 *.nimble 2>/dev/null | wc -l ` -gt 0 ]; then
   mkdir -p "${NIMBLE_DIR}/pkgs/${module_name}-#head"
-	PKG_DIR="$(${PWD_CMD})"
-	if [ -d src ]; then
+  PKG_DIR="$(${PWD_CMD})"
+  if [ -d src ]; then
     PKG_DIR="${PKG_DIR}/src"
   fi
-	echo -e "${PKG_DIR}\n${PKG_DIR}" > "${NIMBLE_DIR}/pkgs/${module_name}-#head/${module_name}.nimble-link"
+  echo -e "${PKG_DIR}\n${PKG_DIR}" > "${NIMBLE_DIR}/pkgs/${module_name}-#head/${module_name}.nimble-link"
 fi
 
diff --git a/vendor/nim-beacon-chain b/vendor/nim-beacon-chain
index 681fc2dd3..855d141cf 160000
--- a/vendor/nim-beacon-chain
+++ b/vendor/nim-beacon-chain
@@ -1 +1 @@
-Subproject commit 681fc2dd36ff865c6dae50ed5b69587bc235e2a4
+Subproject commit 855d141cf2660d7a22699a29f05215c1be7a56e3