fix

Dockerfile

@@ -0,0 +1,17 @@
+FROM rust:buster as builder
+
+COPY . /app
+WORKDIR /app
+
+RUN cargo build --release
+
+FROM debian:buster
+
+RUN apt update && apt upgrade -y
+
+COPY ./src/extract_metadata.py /extract_metadata.py
+COPY --from=builder /app/target/release/umbrella /umbrella
+
+WORKDIR /
+
+CMD ["/umbrella"]