nginx and other stuff

backend/Dockerfile

@@ -0,0 +1,9 @@
+FROM rust:1.73 as builder
+WORKDIR /usr/src/app
+COPY . .
+RUN cargo build --release
+
+FROM alpine:latest
+RUN apk add --no-cache libgcc libstdc++
+COPY --from=builder /usr/src/app/target/release/qr-generator /usr/local/bin/qr-generator
+CMD ["qr-generator"]