From 2a3fd15003e665ef65a68586add252cfeef3e805 Mon Sep 17 00:00:00 2001
From: Ron Webb <ron@ronella.xyz>
Date: Sat, 17 May 2025 20:33:41 +1200
Subject: [PATCH] Add conditional installation of dos2unix to handle CRLF line
 endings

---
 run/docker/Dockerfile | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/run/docker/Dockerfile b/run/docker/Dockerfile
index 59bd8e5..fac40d7 100644
--- a/run/docker/Dockerfile
+++ b/run/docker/Dockerfile
@@ -17,6 +17,16 @@ RUN python manage.py collectstatic --noinput
 
 EXPOSE 8000
 
+# Install dos2unix only if needed and convert line endings if necessary
+RUN if file /srv/run/docker/start.sh | grep -q "CRLF"; then \
+    apt-get update && apt-get install -y dos2unix && \
+    dos2unix /srv/run/docker/start.sh && \
+    apt-get remove -y dos2unix && \
+    apt-get autoremove -y && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*; \
+    fi
+
 RUN chmod +x /srv/run/docker/start.sh
 
 CMD ["/srv/run/docker/start.sh"]
\ No newline at end of file