change dockerfile

Dockerfile

@@ -1,13 +1,23 @@
-FROM rust:slim
+FROM rust:slim as builder
+
+WORKDIR /src
+
+COPY fl-server /src/fl-server
+COPY rfs /src/rfs
+COPY docker2fl /src/docker2fl
+COPY Cargo.toml .
+COPY Cargo.lock .
+COPY config.toml .
 
 RUN apt-get update && apt-get install curl build-essential libssl-dev musl-tools -y
+RUN rustup target add x86_64-unknown-linux-musl
+RUN cargo build --release --bin fl-server --target=x86_64-unknown-linux-musl
 
-WORKDIR /myapp
+FROM alpine:3.19
 
-COPY . .
+WORKDIR /app
 
-RUN rustup target add x86_64-unknown-linux-musl
-RUN cargo build --release --target=x86_64-unknown-linux-musl
+COPY --from=builder /src/target/x86_64-unknown-linux-musl/release/fl-server .
+COPY --from=builder /src/config.toml .
 
-CMD ["/myapp/target/x86_64-unknown-linux-musl/release/fl-server", "--config-path", "config.toml"]
-EXPOSE 3000
+ENTRYPOINT [ "./fl-server", "--config-path", "config.toml"]