build-fix2

Dockerfile

@@ -54,8 +54,8 @@ RUN cargo build --release && \
     # Keep only the dependency artifacts (suppressing error if dir doesn't exist)
     find target/release/deps -name "quoter*" -delete 2>/dev/null || true
 
-# Remove the default source file created by cargo new
-RUN rm src/*.rs
+# Remove the default source file created by cargo new (but keep lib.rs)
+RUN rm src/main.rs || true
 
 # Copy source code
 COPY ./src ./src