From f4bf498c5a5dbd4a2fecd52191d1c2985535181c Mon Sep 17 00:00:00 2001
From: vishu247 <156403229+vishu247@users.noreply.github.com>
Date: Wed, 13 Aug 2025 10:20:38 +0530
Subject: [PATCH 1/2] Update Dockerfile-v27 add ulimit -c 0

---
 ci-runner/Dockerfile-v27 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/ci-runner/Dockerfile-v27 b/ci-runner/Dockerfile-v27
index 9eee89368..8c8cee43f 100644
--- a/ci-runner/Dockerfile-v27
+++ b/ci-runner/Dockerfile-v27
@@ -24,6 +24,19 @@ RUN apk update && apk add --no-cache --virtual .build-deps && apk add bash && ap
     apk --purge -v del py-pip && \
     rm /var/cache/apk/*
 
+# Disable core dumps for interactive shells
+# 1) Login shells (ash): sourced via /etc/profile.d/*.sh
+RUN mkdir -p /etc/profile.d && \
+    printf 'ulimit -c 0\n' > /etc/profile.d/disable-core.sh
+
+# 2) Bash interactive shells: ~/.bashrc and /etc/bash.bashrc
+RUN printf 'ulimit -c 0\n' > /etc/bash.bashrc && \
+    printf 'ulimit -c 0\n' >> /root/.bashrc
+
+# 3) Non-login interactive /bin/sh will source $ENV
+ENV ENV=/etc/shinit
+RUN printf 'ulimit -c 0\n' > /etc/shinit
+
 COPY --from=docker/compose:1.29.2 /usr/local/bin/docker-compose /usr/bin/docker-compose
 
 COPY ./buildpack.json /git-ask-pass.sh /

From ecc2bb22e412514d6cf924cdbef2059273f89003 Mon Sep 17 00:00:00 2001
From: vishu247 <156403229+vishu247@users.noreply.github.com>
Date: Wed, 13 Aug 2025 11:45:20 +0530
Subject: [PATCH 2/2] Update Dockerfile-v27

---
 ci-runner/Dockerfile-v27 | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/ci-runner/Dockerfile-v27 b/ci-runner/Dockerfile-v27
index 8c8cee43f..222220394 100644
--- a/ci-runner/Dockerfile-v27
+++ b/ci-runner/Dockerfile-v27
@@ -24,18 +24,16 @@ RUN apk update && apk add --no-cache --virtual .build-deps && apk add bash && ap
     apk --purge -v del py-pip && \
     rm /var/cache/apk/*
 
-# Disable core dumps for interactive shells
-# 1) Login shells (ash): sourced via /etc/profile.d/*.sh
-RUN mkdir -p /etc/profile.d && \
-    printf 'ulimit -c 0\n' > /etc/profile.d/disable-core.sh
-
-# 2) Bash interactive shells: ~/.bashrc and /etc/bash.bashrc
-RUN printf 'ulimit -c 0\n' > /etc/bash.bashrc && \
-    printf 'ulimit -c 0\n' >> /root/.bashrc
-
-# 3) Non-login interactive /bin/sh will source $ENV
+# Ensure /bin/sh reads /etc/shinit for interactive shells
 ENV ENV=/etc/shinit
-RUN printf 'ulimit -c 0\n' > /etc/shinit
+
+# Disable core dumps for login shells, bash, and non-login /bin/sh
+RUN set -euo pipefail; \
+    mkdir -p /etc/profile.d; \
+    printf 'ulimit -c 0\n' > /etc/profile.d/disable-core.sh; \
+    printf 'ulimit -c 0\n' > /etc/bash.bashrc; \
+    printf 'ulimit -c 0\n' >> /root/.bashrc; \
+    printf 'ulimit -c 0\n' > /etc/shinit
 
 COPY --from=docker/compose:1.29.2 /usr/local/bin/docker-compose /usr/bin/docker-compose