dockerfile fixed

Dockerfile

@@ -1,17 +1,17 @@
-FROM rust:1.75 AS builder
-
+FROM rust:1.84 AS builder
 WORKDIR /app
 
+RUN apt update && apt install -y musl-tools
+RUN rustup target add x86_64-unknown-linux-musl
+
 COPY . .
+RUN cargo build --release --target=x86_64-unknown-linux-musl
 
-RUN cargo build --release
-
-FROM debian:bullseye-slim
-
+FROM alpine:latest
 WORKDIR /app
-# RUN sudo apt update
-# RUN sudo apt install libc6
-COPY --from=builder /app/target/release/exporter /app/server
+
+COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/exporter /app/exporter
+RUN apk add --no-cache ca-certificates
 EXPOSE 9100
 
-CMD ["/app/server"]
+CMD ["/app/exporter"]