diff --git a/files/porter_bootstrap b/files/porter_bootstrap
index 6187d57..436df4b 100644
--- a/files/porter_bootstrap
+++ b/files/porter_bootstrap
@@ -1,4 +1,4 @@
-#!/bin/bash -ex
+#!/bin/bash -e{{ if .LogDebug -}}x{{- end }}
 echo "porter bootstrap BEGIN"
 
 export PORTER_VERSION={{ .PorterVersion }}
diff --git a/files/porter_hotswap b/files/porter_hotswap
index 86e008b..a020066 100644
--- a/files/porter_hotswap
+++ b/files/porter_hotswap
@@ -4,7 +4,7 @@ aws s3 cp s3://{{ .ServicePayloadBucket }}/{{ .ServicePayloadKey }} payload.tar
 # load all the containers in this tar
 echo "loading containers"
 {{ range $imageName := .ImageNames -}}
-tar -xOf /payload.tar ./{{ $imageName }}.docker | docker load
+tar -xOf payload.tar ./{{ $imageName }}.docker | docker load
 {{ end -}}
 
 echo "starting containers"
diff --git a/hook/hook.go b/hook/hook.go
index b535ed6..766f2f1 100644
--- a/hook/hook.go
+++ b/hook/hook.go
@@ -18,6 +18,7 @@ import (
 	"os/exec"
 	"path"
 	"strings"
+	"sync/atomic"
 
 	"github.com/adobe-platform/porter/aws/elb"
 	"github.com/adobe-platform/porter/aws_session"
@@ -37,6 +38,10 @@ type (
 	}
 )
 
+// Multi-region deployment means we need an additional unique id for git clones
+// and image names
+var globalCounter *uint32 = new(uint32)
+
 func newOpts() *Opts {
 	return &Opts{
 		BuildStdout: os.Stdout,
@@ -140,8 +145,6 @@ func Execute(log log15.Logger,
 				return
 			}
 
-			log := log.New("Region", region.Name)
-
 			roleARN, err := env.GetRoleARN(region.Name)
 			if err != nil {
 				log.Error("GetRoleARN", "Error", err)
@@ -337,16 +340,16 @@ func runConfigHook(log log15.Logger, config conf.Config, hookName string,
 	}
 
 	dockerFilePath := hook.Dockerfile
+	hookCounter := atomic.AddUint32(globalCounter, 1)
 
 	if hook.Repo != "" {
 
-		repoDir := fmt.Sprintf("%s-clone-%d", hookName, hookIndex)
+		repoDir := fmt.Sprintf("%s_clone_%d_%d", hookName, hookIndex, hookCounter)
 		repoDir = path.Join(constants.TempDir, repoDir)
-		defer func() {
-			exec.Command("rm", "-fr", repoDir).Run()
-		}()
 
-		log.Info("Cloning",
+		defer exec.Command("rm", "-fr", repoDir).Run()
+
+		log.Info("git clone",
 			"Repo", hook.Repo,
 			"Ref", hook.Ref,
 			"Directory", repoDir,
@@ -365,7 +368,8 @@ func runConfigHook(log log15.Logger, config conf.Config, hookName string,
 			return
 		}
 
-		// TODO do this in conf.SetDefaults()
+		// Validation ensures that local hooks have a dockerfile path
+		// Plugins default to Dockerfile
 		if dockerFilePath == "" {
 			dockerFilePath = "Dockerfile"
 		}
@@ -373,7 +377,7 @@ func runConfigHook(log log15.Logger, config conf.Config, hookName string,
 		dockerFilePath = path.Join(repoDir, dockerFilePath)
 	}
 
-	imageName := fmt.Sprintf("%s-%s-%d", config.ServiceName, hookName, hookIndex)
+	imageName := fmt.Sprintf("%s-%s-%d-%d", config.ServiceName, hookName, hookIndex, hookCounter)
 
 	if !buildAndRun(log, imageName, dockerFilePath, runArgs, opts) {
 		return
@@ -386,6 +390,12 @@ func runConfigHook(log log15.Logger, config conf.Config, hookName string,
 func buildAndRun(log log15.Logger, imageName, dockerFilePath string,
 	runArgs []string, opts *Opts) (success bool) {
 
+	log = log.New("Dockerfile", dockerFilePath, "ImageName", imageName)
+
+	log.Debug("buildAndRun() BEGIN")
+	defer log.Debug("buildAndRun() END")
+	log.Info("docker build")
+
 	dockerBuildCmd := exec.Command("docker", "build",
 		"-t", imageName,
 		"-f", dockerFilePath,
@@ -406,6 +416,8 @@ func buildAndRun(log log15.Logger, imageName, dockerFilePath string,
 	runCmd.Stdout = opts.RunStdout
 	runCmd.Stderr = opts.RunStderr
 
+	log.Debug("docker run", "Args", runArgs)
+
 	err = runCmd.Run()
 	if err != nil {
 		log.Error("docker run", "Error", err)
diff --git a/testintegration/.porter/config b/testintegration/.porter/config
index f194984..cae56f3 100644
--- a/testintegration/.porter/config
+++ b/testintegration/.porter/config
@@ -47,6 +47,15 @@ hooks:
     environment:
       DEV_MODE:
       FOO: bar
+    concurrent: true
+  - repo: $TEST_REPO_URL
+    ref: $TEST_REPO_BRANCH
+    dockerfile: testintegration/plugins/ec2-bootstrap
+    concurrent: true
+  - repo: $TEST_REPO_URL
+    ref: $TEST_REPO_BRANCH
+    dockerfile: testintegration/plugins/ec2-bootstrap
+    concurrent: true
 
 _container_base_inet: &CONTAINER_BASE_INET
   name: inet
diff --git a/testintegration/Dockerfile b/testintegration/Dockerfile
new file mode 100644
index 0000000..81948ad
--- /dev/null
+++ b/testintegration/Dockerfile
@@ -0,0 +1,7 @@
+FROM ubuntu:16.04
+
+ADD ec2-bootstrap.cmd /
+RUN chmod 544 /ec2-bootstrap.cmd
+
+# TODO generate config
+CMD /ec2-bootstrap.cmd
diff --git a/testintegration/Dockerfile.cmd b/testintegration/Dockerfile.cmd
new file mode 100644
index 0000000..b3088ce
--- /dev/null
+++ b/testintegration/Dockerfile.cmd
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo "DEV_MODE $DEV_MODE" 1>&2
diff --git a/testintegration/hooks/ec2-bootstrap.cmd b/testintegration/hooks/ec2-bootstrap.cmd
index ffb619e..b3088ce 100644
--- a/testintegration/hooks/ec2-bootstrap.cmd
+++ b/testintegration/hooks/ec2-bootstrap.cmd
@@ -1,3 +1,3 @@
-#!/bin/bash -x
+#!/bin/bash
 
 echo "DEV_MODE $DEV_MODE" 1>&2
diff --git a/testintegration/plugins/ec2-bootstrap b/testintegration/plugins/ec2-bootstrap
new file mode 100644
index 0000000..81948ad
--- /dev/null
+++ b/testintegration/plugins/ec2-bootstrap
@@ -0,0 +1,7 @@
+FROM ubuntu:16.04
+
+ADD ec2-bootstrap.cmd /
+RUN chmod 544 /ec2-bootstrap.cmd
+
+# TODO generate config
+CMD /ec2-bootstrap.cmd
diff --git a/testintegration/plugins/ec2-bootstrap.cmd b/testintegration/plugins/ec2-bootstrap.cmd
new file mode 100644
index 0000000..b3088ce
--- /dev/null
+++ b/testintegration/plugins/ec2-bootstrap.cmd
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo "DEV_MODE $DEV_MODE" 1>&2