diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..79912042
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+# Enforce Unix line endings for shell scripts
+*.sh text eol=lf
+entrypoint.sh text eol=lf
+identifier.sh text eol=lf
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index d8d35140..495c9b38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -52,7 +52,9 @@ RUN apk --no-cache upgrade && \
 
 # Copy the compiled binary and entrypoint (--chmod avoids extra RUN chmod layers)
 COPY --from=builder --chmod=755 /app/target/release/oxicloud /usr/local/bin/
-COPY --chmod=755 entrypoint.sh /usr/local/bin/entrypoint.sh
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN sed -i 's/\r//' /usr/local/bin/entrypoint.sh && \
+    chmod 755 /usr/local/bin/entrypoint.sh
 
 # Copy processed static files (bundled/minified by build.rs in release)
 COPY --from=builder --chown=oxicloud:oxicloud /app/static-dist /app/static