Update Dockerfile

Dockerfile

@@ -2,28 +2,30 @@ FROM rust:slim AS builder
 
 WORKDIR /src/builder
 
-RUN apt-get update && apt-get install -y musl-tools
-
 ARG TARGETARCH
 RUN if [ $TARGETARCH = "amd64" ]; then \
         echo "x86_64" > /tmp/arch; \
     elif [ $TARGETARCH = "arm64" ]; then \
         echo "aarch64" > /tmp/arch; \
-        apt-get install -y clang llvm; \
     else \
         echo "Unsupported platform"; \
         exit 1; \
     fi
 
+RUN apt-get update && apt-get install -y musl-tools
 RUN rustup target add $(cat /tmp/arch)-unknown-linux-musl
 
 COPY . .
-RUN --mount=type=cache,target=/src/builder/target/ bash build.sh
+RUN --mount=type=cache,target=/src/builder/target/ cargo build --target=$(cat /tmp/arch)-unknown-linux-musl --release && \
+  cp target/$(cat /tmp/arch)-unknown-linux-musl/release/expander /tmp/expander
+
+FROM alipne AS get-cert
 
-FROM alpine
+FROM scratch
 
 WORKDIR /src/app
 
+COPY --from=get-certs /etc/ssl/certs /etc/ssl/certs
 COPY --from=builder /tmp/expander .
 
 CMD ["./expander"]