fix dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23-bookworm as builder
+FROM golang:1.23-bookworm AS builder
 
 WORKDIR /app
 
@@ -8,13 +8,18 @@ RUN go mod download
 
 COPY . .
 
-RUN GOOS=linux go build -o fluxd cmd/fluxd/main.go
+RUN CGO_ENABLED=1 GOOS=linux go build -o fluxd ./cmd/fluxd/main.go
+
+FROM golang:1.23-bookworm
 
 RUN (curl -sSL "https://github.com/buildpacks/pack/releases/download/v0.36.0/pack-v0.36.0-linux.tgz" | tar -C /usr/local/bin/ --no-same-owner -xzv pack)
-RUN apt-get install -y ca-certificates
+
+COPY --from=builder /app/fluxd /usr/local/bin/fluxd
+
+ENV PATH="/usr/local/bin:${PATH}"
+
+VOLUME ["/var/run/docker.sock"]
 
 EXPOSE 5647 7465
 
-VOLUME [ "/var/run/docker.sock" ]
-
-CMD ["/app/fluxd"]
+ENTRYPOINT ["fluxd"]