diff --git a/stx/dockerfiles/stx-builder.Dockerfile b/stx/dockerfiles/stx-builder.Dockerfile
index e6903e0b..21e074a4 100644
--- a/stx/dockerfiles/stx-builder.Dockerfile
+++ b/stx/dockerfiles/stx-builder.Dockerfile
@@ -51,6 +51,7 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
         rpm2cpio \
         ssh \
         sudo \
+        tini \
         unzip \
         vim \
         wget \
@@ -97,3 +98,6 @@ RUN apt-key add /root/pubkey.rsa && rm -f /root/pubkey.rsa
 RUN mkdir -p /etc/vim
 COPY stx/toCOPY/common/vimrc.local /etc/vim/vimrc.local
 RUN chmod 0644 /etc/vim/vimrc.local
+
+ENTRYPOINT ["/usr/bin/tini", "-g", "--"]
+CMD ["/bin/bash", "-i", "-c", "exec /bin/sleep infinity" ]
diff --git a/stx/lib/stx/k8s.py b/stx/lib/stx/k8s.py
index 7cb6ce25..a3e3b215 100644
--- a/stx/lib/stx/k8s.py
+++ b/stx/lib/stx/k8s.py
@@ -80,7 +80,7 @@ class KubeHelper:
                                          suffix='.stderr') as stderr_file:
             cmd = f'{self.config.kubectl()} get pods --no-headers'
             cmd += f' --selector=app.kubernetes.io/instance={project_name} 2>{stderr_file.name}'
-            process_result = subprocess.run(cmd, shell=True, stdout=subprocess.PIPE)
+            process_result = subprocess.run(cmd, encoding='utf-8', shell=True, stdout=subprocess.PIPE)
             if process_result.returncode != 0:
                 logger.error('Command failed: %s\n%s', cmd, stderr_file.fread())
                 raise RuntimeError("Failed to list pods")
diff --git a/stx/lib/stx/stx_control.py b/stx/lib/stx/stx_control.py
index f3c30e33..36325f2b 100644
--- a/stx/lib/stx/stx_control.py
+++ b/stx/lib/stx/stx_control.py
@@ -306,7 +306,7 @@ stx-pkgbuilder/configmap/')
                     self.logger.warning("gave up while pods are still running")
                     break
                 self.logger.info("waiting for %d pod(s) to exit", pod_count)
-                time.sleep(3)
+                time.sleep(2)
 
     def handleIsStartedTask(self, projectname):
         if self.k8s.helm_release_exists(projectname):
diff --git a/stx/toCOPY/aptly/entrypoint.sh b/stx/toCOPY/aptly/entrypoint.sh
index 321af57f..3af011d3 100755
--- a/stx/toCOPY/aptly/entrypoint.sh
+++ b/stx/toCOPY/aptly/entrypoint.sh
@@ -39,4 +39,4 @@ else
 fi
 
 # Start Supervisor
-/usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
+exec /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf