diff --git a/base-ssh/Dockerfile.centos b/base-ssh/Dockerfile.centos
index c43db92d..8b7a4dd8 100644
--- a/base-ssh/Dockerfile.centos
+++ b/base-ssh/Dockerfile.centos
@@ -13,8 +13,13 @@ RUN dnf -y update && \
 COPY ssh-entrypoint.sh /usr/local/bin/init.sh
 RUN chmod +x /usr/local/bin/init.sh
 
-ENTRYPOINT ["/usr/local/bin/init.sh"]
+# Use tini as an init system to manage orphaned child processes, ensuring they
+# don't become zombie (defunct) processes by reaping (cleaning up) them when
+# their parent process doesn't.
+ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini
+RUN chmod +x /tini
+ENTRYPOINT ["/tini", "--", "/usr/local/bin/init.sh"]
 
 CMD ["tail", "-f", "/dev/null"]
 
-EXPOSE 22
\ No newline at end of file
+EXPOSE 22
diff --git a/base-ssh/Dockerfile.debian b/base-ssh/Dockerfile.debian
index 28a99d25..3eb30e8a 100644
--- a/base-ssh/Dockerfile.debian
+++ b/base-ssh/Dockerfile.debian
@@ -10,8 +10,13 @@ RUN apt-get update; \
 COPY ssh-entrypoint.sh /usr/local/bin/init.sh
 RUN chmod +x /usr/local/bin/init.sh
 
-ENTRYPOINT ["/usr/local/bin/init.sh"]
+# Use tini as an init system to manage orphaned child processes, ensuring they
+# don't become zombie (defunct) processes by reaping (cleaning up) them when
+# their parent process doesn't.
+ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini
+RUN chmod +x /tini
+ENTRYPOINT ["/tini", "--", "/usr/local/bin/init.sh"]
 
 CMD ["tail", "-f", "/dev/null"]
 
-EXPOSE 22
\ No newline at end of file
+EXPOSE 22
diff --git a/base-ssh/Dockerfile.suse b/base-ssh/Dockerfile.suse
index aa0f452a..7153bdf8 100644
--- a/base-ssh/Dockerfile.suse
+++ b/base-ssh/Dockerfile.suse
@@ -14,8 +14,13 @@ RUN mkdir -p /run/sshd && \
 COPY ssh-entrypoint.sh /usr/local/bin/init.sh
 RUN chmod +x /usr/local/bin/init.sh
 
-ENTRYPOINT ["/usr/local/bin/init.sh"]
+# Use tini as an init system to manage orphaned child processes, ensuring they
+# don't become zombie (defunct) processes by reaping (cleaning up) them when
+# their parent process doesn't.
+ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini
+RUN chmod +x /tini
+ENTRYPOINT ["/tini", "--", "/usr/local/bin/init.sh"]
 
 CMD ["tail", "-f", "/dev/null"]
 
-EXPOSE 22
\ No newline at end of file
+EXPOSE 22
diff --git a/base-ssh/Dockerfile.ubuntu b/base-ssh/Dockerfile.ubuntu
index 8ad2d8f7..000a59c5 100644
--- a/base-ssh/Dockerfile.ubuntu
+++ b/base-ssh/Dockerfile.ubuntu
@@ -10,8 +10,13 @@ RUN apt-get update; \
 COPY ssh-entrypoint.sh /usr/local/bin/init.sh
 RUN chmod +x /usr/local/bin/init.sh
 
-ENTRYPOINT ["/usr/local/bin/init.sh"]
+# Use tini as an init system to manage orphaned child processes, ensuring they
+# don't become zombie (defunct) processes by reaping (cleaning up) them when
+# their parent process doesn't.
+ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini
+RUN chmod +x /tini
+ENTRYPOINT ["/tini", "--", "/usr/local/bin/init.sh"]
 
 CMD ["tail", "-f", "/dev/null"]
 
-EXPOSE 22
\ No newline at end of file
+EXPOSE 22
diff --git a/ssh-ubuntu/Dockerfile.ubuntu b/ssh-ubuntu/Dockerfile.ubuntu
index 8ad2d8f7..000a59c5 100644
--- a/ssh-ubuntu/Dockerfile.ubuntu
+++ b/ssh-ubuntu/Dockerfile.ubuntu
@@ -10,8 +10,13 @@ RUN apt-get update; \
 COPY ssh-entrypoint.sh /usr/local/bin/init.sh
 RUN chmod +x /usr/local/bin/init.sh
 
-ENTRYPOINT ["/usr/local/bin/init.sh"]
+# Use tini as an init system to manage orphaned child processes, ensuring they
+# don't become zombie (defunct) processes by reaping (cleaning up) them when
+# their parent process doesn't.
+ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini
+RUN chmod +x /tini
+ENTRYPOINT ["/tini", "--", "/usr/local/bin/init.sh"]
 
 CMD ["tail", "-f", "/dev/null"]
 
-EXPOSE 22
\ No newline at end of file
+EXPOSE 22