diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..526c8a38d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.sh text eol=lf
\ No newline at end of file
diff --git a/server/Dockerfile b/server/Dockerfile
index 1b4eff273..e8fb2b8f3 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -42,7 +42,7 @@ ENV PATH="/app/.venv/bin:$PATH"
 
 # Copy and make the start script executable
 COPY start.sh /app/start.sh
-RUN chmod +x /app/start.sh
+RUN sed -i 's/\r$//' /app/start.sh && chmod +x /app/start.sh
 
 # Reset the entrypoint, don't invoke `uv`
 ENTRYPOINT []
diff --git a/server/start.sh b/server/start.sh
index 2bb87620c..c9314bf28 100644
--- a/server/start.sh
+++ b/server/start.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # wait for database to be ready
 echo "Waiting for database to be ready..."