diff --git a/docker/scripts/cluster.sh b/docker/scripts/cluster.sh
index 9153aa9..cee7269 100644
--- a/docker/scripts/cluster.sh
+++ b/docker/scripts/cluster.sh
@@ -1,16 +1,14 @@
 #!/bin/bash
-global_prefix="hpdevkit"
-imgname="evernodedev/hotpocket:latest-ubt.20.04-njs.16"
-volmount="/devkitvol"
-
 command=$1
-cluster="${HP_CLUSTER:-default}"
-volume="${global_prefix}_${cluster}_vol"
-network="${global_prefix}_${cluster}_net"
-container_prefix="${global_prefix}_${cluster}_con"
-bundle_mount="${volmount}/contract_bundle"
 
-echo "Hot Pocket development toolkit"
+cluster=$CLUSTER
+cluster_size=$CLUSTER_SIZE
+volume=$VOLUME
+network=$NETWORK
+container_prefix=$CONTAINER_PREFIX
+volume_mount=$VOLUME_MOUNT
+bundle_mount=$BUNDLE_MOUNT
+hotpocket_image=$HOTPOCKET_IMAGE
 
 if [ "$command" = "create" ] || [ "$command" = "destroy" ] || [ "$command" = "start" ] || [ "$command" = "stop" ] ||
     [ "$command" = "logs" ] || [ "$command" = "sync" ] ; then
@@ -30,7 +28,7 @@ function validate_node_num_arg {
 }
 
 function contract_dir_mount_path {
-    echo "$volmount/node$1"
+    echo "$volume_mount/node$1"
 }
 
 function exists {
@@ -69,17 +67,19 @@ function get_container_count {
 
 function create_cluster {
     ensure_cluser_not_exists
+
+    echo "Creating '$cluster' cluster of size $1"
     docker volume create $volume
     docker network create $network
 
     for ((i=1; i<=$1; i++));
     do
         # Create contract instance directory.
-        docker run --rm --mount type=volume,src=$volume,dst=$volmount --rm $imgname new $volmount/node$i
+        docker run --rm --mount type=volume,src=$volume,dst=$volume_mount --rm $hotpocket_image new $volume_mount/node$i
 
         # Create container for hot pocket instance.
         local container_name="${container_prefix}_$i"
-        docker container create --name $container_name --privileged --mount type=volume,src=$volume,dst=$volmount $imgname run $(contract_dir_mount_path $i)
+        docker container create --name $container_name --privileged --mount type=volume,src=$volume,dst=$volume_mount $hotpocket_image run $(contract_dir_mount_path $i)
     done
 }
 
@@ -133,8 +133,8 @@ function sync_contract_bundle {
 }
 
 if [ $command = "create" ]; then
-    ! validate_node_num_arg $2 && echo "Usage: create <node count>" && exit 1
-    create_cluster $2
+    ! validate_node_num_arg $cluster_size && echo "Invalid cluster size." && exit 1
+    create_cluster $cluster_size
 elif [ $command = "destroy" ]; then
     destroy_cluster
 elif [ $command = "start" ]; then
diff --git a/windows/hpdevkit.ps1 b/windows/hpdevkit.ps1
index 4677bbc..b10ef04 100644
--- a/windows/hpdevkit.ps1
+++ b/windows/hpdevkit.ps1
@@ -1,32 +1,84 @@
 $GlobalPrefix = "hpdevkit"
-$HotPocketImage = "evernodedev/hotpocket:latest-ubt.20.04-njs.16"
 $DevKitImage = "hpdevkit"
 $VolumeMount = "/devkitvol"
+$HotPocketImage = "evernodedev/hotpocket:latest-ubt.20.04-njs.16"
 
 $Cluster = if ($env:HP_CLUSTER) { $env:HP_CLUSTER } else { "default" };
-$Volume="$($GlobalPrefix)_$($Cluster)_vol"
-$Network="$($GlobalPrefix)_$($Cluster)_net"
-$ContainerPrefix="$($GlobalPrefix)_$($Cluster)_con"
-$BundleMountPath="$($VolumeMount)/contract_bundle"
+$ClusterSize = if ($env:HP_CLUSTER_SIZE) { $env:HP_CLUSTER_SIZE } else { 1 };
+$Volume = "$($GlobalPrefix)_$($Cluster)_vol"
+$Network = "$($GlobalPrefix)_$($Cluster)_net"
+$ContainerPrefix = "$($GlobalPrefix)_$($Cluster)_con"
+$BundleMount = "$($VolumeMount)/contract_bundle"
+$DevKitContainerName = "$($GlobalPrefix)_launcher"
 
-Function DeployContractFiles([string]$path) {
-    $ContainerName = "hpdevkit_cptemp"
+function DevKitContainer([string]$Mode, [switch]$Detached, [switch]$AutoRemove, [switch]$MountSock, [switch]$MountVolume, [string]$Cmd) {
+    $Command = "docker $($Mode) --name $($DevKitContainerName) -it"
+    if ($Detached) {
+        $Command += " -d"
+    }
+    if ($AutoRemove) {
+        $Command += " --rm"
+    }
+    if ($MountSock) {
+        $Command += " --mount type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock"
+    }
+    if ($MountVolume) {
+        $Command += " --mount type=volume,src=$($Volume),dst=$($VolumeMount)"
+    }
 
-    # If copying a directory, delete target bundle directory. If not create empty target bundle directory to copy a file.
-    $PrepareCommand = ""
-    if ((Get-Item $path) -is [System.IO.DirectoryInfo]) {
-       $PrepareCommand = "rm -rf $($BundleMountPath)"
+    # Env variables.
+    $Command += " -e CLUSTER=$($Cluster) -e CLUSTER_SIZE=$($ClusterSize) -e VOLUME=$($Volume) -e NETWORK=$($Network)"
+    $Command += " -e CONTAINER_PREFIX=$($ContainerPrefix) -e VOLUME_MOUNT=$($VolumeMount) -e BUNDLE_MOUNT=$($BundleMount) -e HOTPOCKET_IMAGE=$($HotPocketImage)"
+
+    $Command += " $($DevKitImage)"
+    if ($Cmd) {
+        $Command += " $($Cmd)"
     }
-    else {
-        $PrepareCommand = "mkdir -p $($BundleMountPath) && rm -rf $($BundleMountPath)/* $($BundleMountPath)/.??*"
-    }
-    $Null = docker rm $ContainerName *>&1
-    docker run -d -it --name $ContainerName --mount type=volume,src=$Volume,dst=$VolumeMount --mount type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock $DevKitImage
-    docker exec -it $ContainerName /bin/bash -c $PrepareCommand
-    docker cp $path "$($ContainerName):$($BundleMountPath)"
-    docker exec -it $ContainerName cluster sync
-    docker stop $ContainerName
-    docker rm $ContainerName
+
+    Invoke-Expression $Command
 }
 
-DeployContractFiles $args[0]
\ No newline at end of file
+function RemoveDevKitContainer() {
+    $Null = docker stop $DevKitContainerName *>&1
+    $Null = docker rm $DevKitContainerName *>&1
+}
+
+function ExecuteInDevKitContainer([string]$Cmd) {
+    docker exec -it $DevKitContainerName /bin/bash -c $Cmd
+}
+
+Function DeployContractFiles([string]$Path) {
+
+    RemoveDevKitContainer
+    DevKitContainer -Mode "run" -Detached -MountSock -MountVolume
+
+    # If copying a directory, delete target bundle directory. If not create empty target bundle directory to copy a file.
+    $PrepareBundleDir = ""
+    if ((Get-Item $Path) -is [System.IO.DirectoryInfo]) {
+        $PrepareBundleDir = "rm -rf $($BundleMount)"
+    }
+    else {
+        $PrepareBundleDir = "mkdir -p $($BundleMount) && rm -rf $($BundleMount)/* $($BundleMount)/.??*"
+    }
+    ExecuteInDevKitContainer -Cmd $PrepareBundleDir
+    docker cp $Path "$($DevKitContainerName):$($BundleMount)"
+    
+    # Sync contract bundle to all instance directories in the cluster.
+    ExecuteInDevKitContainer -Cmd "cluster sync"
+
+    RemoveDevKitContainer
+}
+
+$Command = $args[0]
+Write-Host "Hot Pocket devkit"
+Write-Host "command: $Command"
+
+if ($Command -eq "deploy") {
+    DeployContractFiles -Path $Path
+}
+elseif ($Command -eq "cluster") {
+    DevKitContainer -Mode "run" -AutoRemove -MountSock -Cmd $args
+}
+else {
+    Write-Host "Invalid command. Expected: deploy | cluster"
+}
\ No newline at end of file